science and technology

Apple likely to launch Reality Pro in June 2023

Apple Reality Pro is a Mixed Reality headset with both AR and VR integration.




science and technology

Apple working on cheaper mixed reality headset, delays AR glasses

Apple is likely to launch the cheaper version of headset by 2025, according to reports.




science and technology

Samsung Unpacked Event 2023: what to expect?

Samsung has announced that its first in-person Unpacked Event since the pandemic to be held on February 1, 2023.




science and technology

Apple to launch mixed-reality headset in 2023

Apple has partnered with Disney and Dolby for media content, along with updating Apple TV+ shows and movies to sync with headset.




science and technology

Nothing Phone (2): Upgraded features, availability

CEO Carl Pei also revealed that the company seeks the US as the targeted market




science and technology

Jabra Elite 5 Review: Jack of all trades, master of some

The latest TWS earbuds from the Danish company deliver on many aspects of an audiophile’s wishlist




science and technology

A mellow melody: OnePlus Buds Pro 2 review

Here’s what you need to look at, before you make these buds your daily companion




science and technology

Hitting play on nostalgia! Sony Walkman A-306 review

Almost synonymous with portable music players in the ‘90s, the Walkman slides back into our lives in this new avatar.




science and technology

Apple Watch’s steady march towards women’s health

This Apple, used everyday, may or may not keep the doctor away. But it sure arms you with tons of data to take along for your next health check-up. 




science and technology

Sound Investment: OnePlus Nord Buds 2 review

The OnePlus Nord Buds 2 are a fairly comfortable fit for extended periods of use




science and technology

OnePlus Pad review: Fan’tab’ulous firsts!

This debutante from the company is set to impress, but does it strike the perfect balance between beauty and brawns? 




science and technology

Meta unveils Quest 3 mixed reality headset ahead of Apple's VR debut

Priced starting at $499, Quest 3 to be 40% thinner than Meta’s previous headset and feature colour mixed reality




science and technology

Garmin Instinct 2X Solar Review: A ‘sun-sational’ smartwatch for adventure junkies

From military-grade toughness to solar-powered stamina, this smartwatch might be a fitness warrior’s dream come true. 




science and technology

JioBook 4G set to launch on July 31 in India; details here

JioBook comes with always-on 4G connectivity




science and technology

In the slow lane: Kobo Clara 2E review

With some features that might lure you in, there’s one basic instinct missing on this.




science and technology

Wearables device segment sees slower growth in March quarter but players remain bullish on outlook

As per estimates released by IDC, India’s smart wearable device market grew by merely 2.1 per cent in March quarter




science and technology

Bass-boost that leaves you breathless! Sony Ult Wear review

A tubthumping party that’s worth the price?




science and technology

Thomson invests ₹50 crore in Noida plant for audio speakers manufacturing

With a focus on capturing a 10% market share by 2028, Thomson’s CEO, Avneet Singh Marwah, has revealed ambitious expansion plans for the brand’s speaker range, aiming to offer over 80 models within the next three years




science and technology

Halide-free and metal-free allylic thiolation/selenation of P(O)H compounds with sulfur/selenium and allylic alcohols

Green Chem., 2024, 26,10886-10892
DOI: 10.1039/D4GC03960B, Paper
Longzhi Zhu, Weiwei Luo, Furong Guo, Lin Chen, Ying Tang, Biquan Xiong, Yu Liu, Ke-Wen Tang, Renhua Qiu
A halide- and metal-free method for forming C–S/Se–P(O) bonds using allylic alcohols, P(O)H compounds, and elemental sulfur/selenium is reported, eliminating the need for toxic, odorous, and moisture-sensitive starting materials.
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science and technology

One-pot synthesis of conjugated vinylene-extended viologen ionic radical polyacetylenes for visible light-promoted photocatalytic CO2 cycloaddition

Green Chem., 2024, 26,10876-10885
DOI: 10.1039/D4GC03683B, Paper
Yanan Chang, Shuo Wang, Juan Chen, Zixuan Xu, Qing Shi, Yunjie Mao, Yanli Gai, Zhouyang Long, Guojian Chen
In situ synthesis of a conjugated vinylene-extended viologen ionic radical polyacetylene (VIRP-2) for visible light-promoted photocatalytic CO2 cycloaddition under ambient conditions.
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science and technology

What to do with polyurethane waste? The environmental potential of chemically recycling polyurethane rigid foam

Green Chem., 2024, 26,10893-10906
DOI: 10.1039/D4GC02594F, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Martin Pillich, Johannes Schilling, Luca Bosetti, André Bardow
The environmental potential guides through the maze of chemical recycling of polyurethane rigid foams highlighting promising options.
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science and technology

Self-supported FeCoNiCuP high-entropy alloy nanosheet arrays for efficient glycerol oxidation and hydrogen evolution in seawater electrolytes

Green Chem., 2024, 26,10921-10928
DOI: 10.1039/D4GC02517B, Paper
Leyang Song, Chaoqun Ma, Peidong Shi, Xiaojuan Zhu, Kaiyu Qu, Lijie Zhu, Qipeng Lu, An-Liang Wang
Self-supported FeCoNiCuP high entropy alloy nanosheet arrays electrocatalyst was developed for highly efficient glycerol oxidation to formate and hydrogen evolution in seawater electrolytes.
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science and technology

Feasibility and sustainability of emerging CCU pathways for formic acid production

Green Chem., 2024, 26,10982-10995
DOI: 10.1039/D4GC02507E, Paper
Tesfalem Aregawi Atsbha, Ha-Jun Yoon, Ali Cherif, Chul-Jin Lee
The thermo-catalytic pathway can be a competitive alternative to the conventional pathway. CO2 source and electricity source highly affected the GWI for the thermo-catalytic pathway and electrochemical reduction pathway respectively.
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science and technology

Solid phase peptide synthesis using side-chain unprotected arginine and histidine with Oxyma Pure/TBEC in green solvents

Green Chem., 2024, 26,10929-10939
DOI: 10.1039/D4GC03209H, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Tommaso Fantoni, Andrea Orlandin, Ilaria Di Stefano, Marco Macis, Alessandra Tolomelli, Antonio Ricci, Walter Cabri, Lucia Ferrazzano
Oxyma Pure/TBEC coupling protocol in green solid phase peptide synthesis (GSPPS) eliminates protective groups on Arg and His, enhancing atom economy and reducing impurities during cleavage. The technology was extended to side-chain-free Tyr and Trp.
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science and technology

Biodegradable polymers: from synthesis methods to applications of lignin-graft-polyester

Green Chem., 2024, 26,10774-10803
DOI: 10.1039/D4GC03558E, Tutorial Review
Open Access
Sundol Kim, Hoyong Chung
Biodegradable lignin-based grafted polyesters have wide range of applications.
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science and technology

Light-driven ultrafast dual C–C cleavage and coupling of dihydroxyacetone into high-purity carbon monoxide and ethylene glycol

Green Chem., 2024, 26,10859-10866
DOI: 10.1039/D4GC04180A, Paper
Fanhao Kong, Hongru Zhou, Zhiwei Chen, Zhaolin Dou, Min Wang
Reforming of biomass-based dihydroxyacetone to produce high-purity CO and ethylene glycol is achieved via a distinctive photochemical process under ambient conditions.
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science and technology

Evaluation on the recovery of lignin from basic [Ch][Lys] systems using low-cost alcohols as anti-solvents under acid-free conditions

Green Chem., 2024, 26,10950-10959
DOI: 10.1039/D4GC03898C, Paper
Yichen Liu, Wanting Zhao, Qizhen Luo, Jipeng Yan, Jian Sun
An acid-free, high efficiency, and mild method of precipitating and separating lignin from basic ionic liquids (BIL) such as choline lysinate ([Ch][Lys]) by using alchohols (such as tert-butanol) as anti--solvents.
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science and technology

Green and controllable synthesis of symmetrical and unsymmetrical difluoromethylated diarylmethanes via a direct bisarylation strategy enabled by an HFIP–B(C6F5)3 adduct

Green Chem., 2024, 26,10969-10974
DOI: 10.1039/D4GC03917C, Paper
Xindi Li, Yiping Zhu, Zhina Gong, Jinshan Li, Jialin Xie, Zhendong Zhao, Jianwei Li, Chunman Jia
An efficient and environmentally friendly for the synthesis of symmetrical and unsymmetrical difluoromethylated diarylmethanes via direct bisarylation of difluoroacetaldehyde hemiacetal with aniline enabled by HFIP–B(C6F5)3 adduct is described.
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science and technology

A sequential flow process of CO2 capture and conversion using cost-effective porous organic polymers

Green Chem., 2024, 26,10960-10968
DOI: 10.1039/D4GC03494E, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Zhongqi Wu, Zhong Li, Lei Hu, Samson Afewerki, Maria Strømme, Qian-Feng Zhang, Chao Xu
A sequential flow process utilizing cost-effective porous organic materials to capture CO2 and directly convert it into fine chemicals has been achieved, which could improve the practical applicability of CO2 capture and utilization technologies.
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science and technology

Straightforward solid-phase modification of TiO2 with propylphosphonic acid via manual grinding and shaker mixing: enhancing modification degree by thermal control while improving atom economy

Green Chem., 2024, 26,10907-10920
DOI: 10.1039/D4GC03330B, Paper
Open Access
Kaimin Zhang, Jinxin Wang, Nick Gys, Elien Derveaux, Nahal Ghanemnia, Wouter Marchal, Peter Adriaensens, Vera Meynen
The straightforward manual grinding method achieves controllable grafting of organophosphonic acid onto TiO2, demonstrating its atom economy and greenness.
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science and technology

Monoliths enabling biocatalysis in flow chemistry

Green Chem., 2024, 26,10718-10738
DOI: 10.1039/D4GC03535F, Critical Review
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Aleksandra Lambarska, Katarzyna Szymańska, Ulf Hanefeld
Biocatalysis in flow improves space time yields and enables straightforward downstream processing. The underlying principles of monolithic flow reactors and their application in mono- and bi-phasic biocatalytic systems are discussed.
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science and technology

Research progress on photocatalytic, electrocatalytic and photoelectrocatalytic selective oxidation of 5-hydroxymethylfurfural

Green Chem., 2024, 26,10739-10773
DOI: 10.1039/D4GC03597F, Critical Review
Yang An, Tao Lei, Weiyi Jiang, Huan Pang
This paper summarizes the latest research progress in selective photocatalytic, electrocatalytic, and photoelectrocatalytic oxidation of HMF, along with the reaction mechanisms, advantages, and challenges faced during selective HMF oxidation.
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science and technology

Synthesis of axially chiral thiourea by NHC-catalyzed desymmetrizative amidation

Green Chem., 2024, 26,10940-10949
DOI: 10.1039/D4GC03113J, Paper
Yingtao Wu, Xin Guan, Kehan Jiao, Huaqiu Zhao, Mingrui Li, Jiaqiong Sun, Guangfan Zheng, Qian Zhang
NHC-catalyzed desymmetrization amidation of biaryl dialdehydes has been developed for NH-free axially chiral thiourea. Sequential kinetic resolution enhances the chirality induction of the desymmetrization strategy, expanding the applicable scope.
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science and technology

Lipase-entrapped colloidosomes with light-responsive wettability for efficient and recyclable Pickering interfacial biocatalysis

Green Chem., 2024, 26,10824-10828
DOI: 10.1039/D4GC03982C, Communication
Dingyi Yang, Qi Zeng, Kaiwen Tan, Haoyue Hou, Xingyuan Fang, Chenlong Guo, Hao Yuan, Tao Meng
We prepared lipase-entrapped TiO2 colloidosomes with excellent recyclability for light-responsive Pickering interfacial biocatalysis, providing a green, recyclable and efficient Pickering interfacial biocatalysis platform.
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science and technology

Metal-free photoinduced-radical hydrocyclization of 2-isocyanides: a unified synthetic approach to facilely assemble diverse N-heteroarenes

Green Chem., 2024, 26,10804-10810
DOI: 10.1039/D4GC03774J, Communication
Ziyi Wang, Haonan Wei, Jinrong Du, Zhijun Zuo
We present an efficient and sustainable protocol for the photoinduced-radical hydrocyclization of isocyanides, providing a united route to assemble diverse α-unsubstituted N-heteroarenes.
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science and technology

Electroreductive deoxygenative carboxylation of alkyl oxalates with CO2

Green Chem., 2024, 26,10811-10817
DOI: 10.1039/D4GC03452J, Communication
Yong Yuan, Hangfei Jiang, Ya-Nan Zhang, Yuyan Tao, Xincong Liu, Congde Huo
An electroreductive deoxygenative carboxylation of alkyl oxalates with CO2 is demonstrated.
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science and technology

Electrochemistry-enabled Rh-catalyzed regioselective [4 + 1] and [4 + 2] cycloaddition of benzoic acid with alkynyl esters/amides

Green Chem., 2024, 26,10996-11002
DOI: 10.1039/D4GC03753G, Paper
Wei-Jung Chiu, Chung-Ming Sun
The reaction of benzoic acids with alkynyl esters/amides in the presence of a Rh-catalyst and AcOH as an additive to give phthalides by [4 + 1] annulation. In contrast, the additive NaOAc exclusively affords isocoumarins through the [4 + 2] pathway.
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science and technology

Electroreductive deuteration of N-propynylamides to enamides

Green Chem., 2024, 26,10975-10981
DOI: 10.1039/D4GC03790A, Paper
Qiansong Gao, Mingchun Wang, Lianyou Zheng, Lingling Shi, Cheng Wu, He Li, Jinbao Xiang
A migratory reductive deuteration of terminal alkynes to access enamides with more than 3 deuteriums incorporated per molecule was realized.
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science and technology

Light-induced isomerization of quinoline-N-oxide derivatives through Zn-catalysis: a photochemical approach for synthesizing 2-quinolinone derivatives

Green Chem., 2024, 26,10818-10823
DOI: 10.1039/D4GC03226H, Communication
Xiaoqiang Yu, Sana Yang, Ning Yan, Yukang Fu, Yang Li, Wanhui Wang, Ming Bao
The light-induced Zn-catalyzed isomerization of quinoline-N-oxides proceeded smoothly to afford 2-quinolinone derivatives via intramolecular hydrogen and oxygen transfer.
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science and technology

Visible light-driven α-sulfonylation of ketone-derived silyl enol ethers via an electron donor–acceptor complex

Green Chem., 2024, Advance Article
DOI: 10.1039/D4GC04554H, Paper
Barakha Saxena, Roshan I. Patel, Anuj Sharma
We herein describe a versatile electron donor–acceptor complex (EDA) mediated α-sulfonylation of ketone-derived silyl enol ethers using thiosulfonates (acceptor) with DABCO (donor) under visible light irradiation.
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science and technology

Postliminary treatment of food-waste digestate via combined hydrothermal carbonization and microbial fuel cell for bio-energy recovery: a comparative life cycle impact assessment

Green Chem., 2024, Advance Article
DOI: 10.1039/D4GC04081C, Paper
Shraddha Yadav, Manikanta M. Doki, Makarand M. Ghangrekar, Brajesh K. Dubey
Multiple resource recovery from food-waste digestate by deploying hydrothermal carbonisation and microbial fuel cells. A green route for environmental sustainability and economic gains.
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science and technology

Controllable tertiary amine-promoted photoactivation metal-free carbonylation of aryl sulfonium salts to aryl carboxylic acid derivatives

Green Chem., 2024, Advance Article
DOI: 10.1039/D4GC04502E, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Jiajun Zhang, Le-Cheng Wang, Yuanrui Wang, Xiao-Feng Wu
This paper describes a new method for the activation of aryl radicals via EDA complexes without metals and photosensitizers for carbonylation with various nucleophilic reagents under visible light.
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science and technology

A solvent-free, self-emulsified and heat-responsive polyester coating enables chemically-recyclable and fire-safe PET foam

Green Chem., 2024, Advance Article
DOI: 10.1039/D4GC04531A, Paper
Bei-Bei Zhang, Li-Xia Fan, Lin Chen, Xiu-Li Wang, Yu-Zhong Wang
This work implements a state-of-the-art strategy to simultaneously achieve use performance and future recycling, which will greatly benefit the green sustainable circular economy for wind turbine blades.
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science and technology

Does enzymatic catalysis lead to more sustainable chemicals production? A life cycle sustainability assessment of isopropyl palmitate

Green Chem., 2024, Advance Article
DOI: 10.1039/D4GC04514A, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Pieter Nachtergaele, Ozan Kocak, Yblin Roman Escobar, Jordy Motte, Dries Gabriels, Leopold Mottet, Jo Dewulf
A methodology is presented for assessing the life cycle sustainability of enzymatic catalysis for chemicals production. For IPP, lower environmental impacts, but higher costs and social risks were found for switching to enzymatic catalysis.
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science and technology

Valorization of pomegranate waste through green solvent extraction and biochar production: a zero-waste biorefinery approach

Green Chem., 2024, Advance Article
DOI: 10.1039/D4GC03707C, Paper
Leonardo M. de Souza Mesquita, Letícia S. Contieri, Bárbara M. C. Vaz, Vitor Sencadas, Filipe H. B. Sosa, João A. P. Coutinho, Maurício A. Rostagno, Sónia P. M. Ventura
This study presents a zero-waste biorefinery for pomegranate waste, extracting anthocyanins and ellagic acid with green solvents and converting leftovers to biochar.
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science and technology

Flow electrosynthesis of phosphinamides and phosphoramidates through P–N coupling

Green Chem., 2024, Advance Article
DOI: 10.1039/D4GC04450A, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Tribani Boruah, Ren Ishizeki, Alberto Roldan, Rebecca L. Melen, Thomas Wirth
A robust flow electrochemical method for P–N and P–O oxidative coupling under mild conditions has been developed. Cyclic voltammetry (CV) was employed to investigate the redox behaviour of reactants.
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science and technology

Modular access to multi-substituted allenones via environmentally friendly organocatalytic C–H allenylation of aldehydes

Green Chem., 2024, Advance Article
DOI: 10.1039/D4GC04550E, Paper
Xinying Hu, Ayisenbati Jialingbieke, Yuzhi Ren, Yifan Yang, Donghui Wei, Jian Gao, Ding Du
Organocatalytic direct C–H allenylation of aldehydes with propargyl bromides has provided a straightforward and step-economical strategy for allenone modular synthesis.
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science and technology

Advancing green chemistry in environmental monitoring: the role of electropolymerized molecularly imprinted polymer-based electrochemical sensors

Green Chem., 2024, Advance Article
DOI: 10.1039/D4GC03250K, Tutorial Review
Christopher Mwanza, Wei-Zhi Zhang, Kalulu Mulenga, Shou-Nian Ding
Molecularly imprinted polymers (MIPs) are synthetic materials designed to mimic the natural “lock and key” mechanism observed in biomolecular systems, such as the interactions between antibodies and antigens.
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science and technology

The Effects of Polyolefin Structure and Source on Pyrolysis-Derived Plastic Oil Composition

Green Chem., 2024, Accepted Manuscript
DOI: 10.1039/D4GC04029E, Paper
Jiayang Wu, Zhen Jiang, Victor S Cecon, Greg W. Curtzwiler, George W. Huber, Keith L. Vorst, Manos Mavrikakis
Seven types of plastics were pyrolyzed in a fluidized bed reactor: post-consumer recycled (PCR) high-density polyethylene (HDPE), PCR polypropylene (PP), virgin resins of varying molecular weights of HDPE, virgin resins...
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science and technology

Continuous-flow Synthesis of Cyclic Carbonates with Polymer-supported Imidazolium-based Ionic Liquid (Im-PSIL) Catalysts

Green Chem., 2024, Accepted Manuscript
DOI: 10.1039/D4GC04499A, Communication
Open Access
Zhibo Yu, Haruro Ishitani, Shu Kobayashi
Carbon dioxide (CO2), a major greenhouse gas emitted through human activities, represents a valuable carbon source for chemical production. However, maximizing its efficiency requires novel methods for CO2 conversion that...
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