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Spatial issues

Apparao Galleries’ upcoming show is a curious take on space and architecture




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A slice of the rural

Generous portions of rich food, sprawling houses, folk arts, skill games and animal rides… There’s never a dull moment at Chokhi Dhani Village




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A tool to record history

Kishore Nagappa, the sculptor behind statues for the likes of Jawaharlal Nehru, Ambedkar, Sathyamurthi, Muthuramalinga Devar and the most recent one of Pennycuick




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A threadbare existence

Artisans and their indigenous crafts are being pushed to the brink due to fierce competition and lack of cohesive government support




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ART of investment

London-based Anders Petterson, who was in city to launch the Chennai Art Club recently, shared his views on art investment in the global market




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Rafoogari tales

Priya Ravish Mehra has documented the life and work of skilled darners or Rafoogars of Najibabad in Uttar Pradesh besides giving them international exposure to them through workshops and seminars.




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Creative bazaar gets under way

175 artisans across the country take part in the expo




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Visitors throng crafts festival

The 10-day carnival has a wide range of products on display




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Students develop skills at handicrafts-training camp




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Homemade treats

A new store in Thiruvananthapuram has hand-made products sourced from different places in India




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Forms and imagery

Nine artistes, from different parts of the country, have used their kilns to give an expression to themes as varied as mythology and everyday objects in 'Fired up' — an art collection being exhibited at the Kalakriti Art Gallery till June 22.




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A looming crisis

Cheap Chinese silk is choking indigenous sericulturists and weavers.




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Something old, something new

It is the festive season and you have all the excuses in the world to shop. Srishti brings to Coimbatore some of the best craftsmanship from the country




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Threads of partnership

Friends and collaborators Bina Rao and Villoo Mirza are bound by their passion for handlooms





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Glue, paper, wood, scissors...

... are what Vidya Ravichandran uses to handcraft gift items




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Mamallapuram to host Tamil Nadu International Kite Festival for the first time

The maiden edition of Tamil Nadu Kite Festival is set to see custom kites, brought in by professionals from USA, Thailand, Malaysia and India, take flight



  • Life & Style

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Channapatna dolls come a-knocking: Karthik Vaidyanathan brings his store, Varnam, to Chennai

At Varnam, entrepreneur Karthik Vaidyanathan brings innovative creations by Karnataka’s Channapatna artisans to Chennai, from traditional toys to home decor pieces



  • Life & Style

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Traditional Indian art is witnessing a contemporary makeover. And the art market is loving it

Tribal and traditional artists explore novel ways of storytelling, experimenting with colour, techniques and contemporary themes, to connect with younger, mainstream audiences




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Kondapalli toys get a new lease of life

An incentivised training programme is helping a quiet revival of Kondapalli toys, and at the fore are craftswomen



  • Life & Style

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A peek at Kokūn’s zero-waste, naturally-dyed apparel

Zero-waste apparel dyed with home-grown rhubarb and madder is the forte of Mridu Mehra Tiwari’s brand Kokūn, which just launched its Spring collection and a men’s range




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Label Erode’s debut collection blends the GI-tagged jamakkalam with Jimi Hendrix’s music

How a Mumbai-based fashion label is reviving the GI-tagged Bhavani jamakkalam through its debut collection




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An efficient approach to AviCys analogues via regio- and stereoselective hydrosulfuration of ynamides

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01572J, Research Article
Zhenjia Zhang, Zhe Ding, Jinhua Yang, Yongli Zhao, Zhenguang Zhao, Can Liu, Norman Metanis, Junfeng Zhao
A novel synthetic strategy for the construction of AviCys analogues via a highly efficient regio- and stereoselective hydrosulfuration of ynamides was reported.
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Synthesis of C-glycosides enabled by palladium-catalyzed glycosylation reactions

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01619J, Review Article
Wenli Tong, Jie-Ping Wan, Jianchao Liu
This review highlights the recent progress in palladium-catalyzed C-glycosylation reactions for the synthesis of C-glycosides.
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Manganese(III) acetate in organic synthesis: a review of the past decade

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01499E, Review Article
Jian Wang, Yan Zhang, Ying Zhou, Xin Gu, Bingxu Han, Xuelu Ding, Shuai Liang
In this review, we summarize the latest developments and applications of Mn(OAc)3 in organic synthesis over the past decade, focusing on efforts to achieve milder reaction conditions while expanding the scope of synthesis possibilities.
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Pyrrolylsulfonium salts: stable, accessible and versatile pseudohalides for Stille couplings

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01793E, Research Article
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Jodie L. Hann, Catherine L. Lyall, Gabriele Kociok-Köhn, Simon E. Lewis
Pyrroles functionalised with a thianthrenium or diphenylsulfonium group undergo Stille couplings with aryl or alkynyl stannanes in good yields, avoiding the issues of instability that can hamper the use of the analogous pyrrolyl halides.
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All-thiophene dendrimers based on cyclooctatetrathiophene: synthesis and aggregation-induced emission (AIE) features

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01525H, Research Article
Pengfei Wang, Chunmei Zhao, Shuai Qiu, Wan Xu, Chunli Li, Zhiying Ma, Wei Cao, Li Xu, Hua Wang
A novel class of all-thiophene dendrimers with obvious AIE emissions was designed and synthesized based on saddle-shaped cyclooctatetrathiophene (COTh) as building blocks.
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Isomeric diazapyrene–thiophene conjugated systems: synthesis, characterization, and transport properties

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01305K, Research Article
Open Access
Honglei Li, Guodong Zhao, Qingxin Tang, Hongkun Tian, Lixiang Wang
Three key dihalogenated diazapyrene intermediates were synthesized and the corresponding isomeric co-oligomers with bithiophene demonstrated distinct position-dependence in the crystal structures, and optoelectronic and charge transport properties.
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Photocatalytic hydrotrichloromethylation of unactivated alkenes with chloroform

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01496K, Research Article
Dawei Gong, Caiyu Gao, Qixuan Li, Yufei Li, Lina Zhao, Degong Kong
Trichloromethyl compounds are essential constituents in synthetic and medicinal chemistry.
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State-of-the-art strategies for Lewis acid-catalyzed strain-release cycloadditions of bicyclo[1.1.0]butanes (BCBs)

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01741B, Review Article
Xiang Liu, Jiawei He, Keyu Lin, Xingyue Wang, Hua Cao
This review primarily focuses on the latest developments in Lewis acid-catalyzed strain-release cycloaddition reactions of BCBs.
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Multi-step chirality transfer and racemization kinetics of pillar [5]arenes by tuning the halogen substituents on the rims

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01799D, Research Article
Lizhi Fang, Xiaowen Guan, Yanling Shen, Dayang Zhou, Long Chen, Xiaochuan Chen, Wanhua Wu, Leyong Wang, Cheng Yang
Halogen-substituted pillar[5]arenes exhibited hindered hydroquinone subunit flipping, enabling enantioseparation.
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C–H acylation as an enabling tool to tag phenolic drugs

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01505C, Research Article
Open Access
Carlota Girón-Elola, Arkaitz Correa
A Pd-catalyzed directed C–H acylation of a collection of intricate phenol-containing compounds with ethanol and other alcohols and aldehydes is reported.
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Shaping cycles with light: a regiodivergent approach to tetracyclic aza-aromatic compounds

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01606H, Research Article
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Clara Mañas, Belén Ibarra, Estíbaliz Merino
We present a novel visible light-promoted regiodivergent cyclization, enabling the selective synthesis of distinct azapolyaromatic regioisomers from 2-alkynlazobenzenes.
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Visible-light heterogeneous photocatalysis with an ionic porous organic polymer (IPOP): synthesis of β-keto sulfoxides and benzothiophene diesters by tandem radical addition–oxidation reactions

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01382D, Research Article
Ajay Kumar Sahoo, Parag Tamuly, Jarugu Narasimha Moorthy
An IPOP, constructed constructed from cyanuric chloride and the readily accessible 2,5-di(pyridin-4-yl)thiazolo[5,4-d]thiazole (BpyTzTz), is shown to exhibit excellent visible light absorption and serve as a metal-free heterogeneous photocatalyst.
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Unravelling the different pathways of cyclohexene oxidation via a peroxyl radical generated from tert-butyl hydroperoxide (TBHP) by various metal salts

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01681E, Research Article
Lu-Jian Zhou, Xiao-Hui Liu, Han-Wen Zhang, Can Xue, Han-Kang Zhong, Xian-Tai Zhou
Two different mechanisms were obtained in the selective oxidation of cyclohexene catalyzed by CuCl2 and VCl3 respectively in presence of TBHP. The two opposed mechanisms are mainly caused by the roles of the t-BuOO˙ radical in catalytic oxidations.
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Lewis acid-controlled Pd-catalyzed chemodivergent hydrocyanation of cyclopropenes

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01609B, Research Article
Rongrong Yu, Song-Zhou Cai, Xianjie Fang
We report a Lewis acid-controlled Pd-catalyzed chemodivergent hydrocyanation of cyclopropenes. In the absence of Al Lewis acid, the reaction predominantly yields ring-opened allylic nitrile products while the addition of Lewis acid favors the formation of cyano-substituted cyclopropane products.
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Intermediate diradical character and thermal cis–trans isomerization of near-infrared absorbing thionated squaraine dyes

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01722F, Research Article
Open Access
Taishi Oka, Takeshi Maeda, Daisuke Sakamaki, Naoya Suzuki, Shigeyuki Yagi, Shintaro Kodama, Hideki Fujiwara
Near-infrared absorbing squaraine dyes incorporating 4-membered thionated oxocarbon and chalcogenopyrylium moieties exhibit intermediate diradical character, which impacts thermal cis–trans isomerization.
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Synergy of prediction rule and total synthesis in solving the stereochemical puzzle of eucalactam B

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01777C, Research Article
Chenqi Wang, Junyang Liu, Tao Ye
The absolute configurations of the fungal-derived reduced polyketide eucalactam B were initially predicted using the “Biochemistry-based rule” and later confirmed through its first successful total synthesis.
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Iron-catalyzed thiolation of C(sp3)–H with sulfonyl chlorides via photoinduced ligand-to-metal charge transfer

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01488J, Research Article
Sheng-Ping Liu, Lan Yang, Yan-Hong He, Zhi Guan
A photoinduced FeCl3/HCl synergistic catalytic method enables C(sp3)–S bond formation via reductive cross-coupling of activated/inert C(sp3)–H and aryl/alkyl sulfonyl chlorides through ligand-to-metal charge transfer (LMCT).
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Palladium-catalyzed hydrocarbonylative cross-coupling with two different alkenes

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01312C, Research Article
Yi Chen, Jianing Wu, Yongzheng Ding, Hanmin Huang
Transition metal-catalyzed hydrocarbonylation of alkenes has been widely studied; however, the hydrocarbonylation reaction that took place between two alkenes has been largely unexplored.
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I2-Promoted oxidative annulation of three different amines to access diverse biheteroaryls

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01801J, Research Article
Guangping Fan, Penghui Cao, Fang Bai, Yanyan Yin, Xueyan Hou, Yani Liu, Zhenzhen Xing, Yanhui Wang, Tangqiang Sun, Qinghe Gao
An I2-promoted oxidative annulation of three different amines enables the assembly of nonsymmetrical 2,2'-biquinolines and related bis-azines through a [4π + 2σ] annulation reaction.
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HSAB theory guiding electrophilic substitution reactions of o-carborane

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01546K, Research Article
Yan Wang, Yi-Ge Li, Feijing Chen, Yan-Na Ma, Xuenian Chen
Herein, we systematically compared the reactivity of o-carborane and benzene toward different electrophiles and explained the results with the HSAB principle.
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Facile one-pot synthesis of novel imidates as multifunctional organic fluorescent materials

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01628A, Research Article
Feng-Ting Liu, Shuo Wang, Yong-Shun Chen, Jun-Ying Miao, Bao-Xiang Zhao, Zhao-Min Lin
A novel one-pot synthesis of multifunctional organic fluorescent imidates from quinolinium salt derivatives, nitrosoarenes and alcohols was presented. This method had a wide substrate scope and excellent isolated yields.
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General ppm-level Pd-catalysed asymmetric diarylalkyne hydrosilylation to access structurally diverse Si-stereogenic vinylsilanes

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01698J, Research Article
Heng Xu, Han-Xiao Yu, An-Jiu Wen, Fang-Ying Ling, Fei Ye, Li Li, Fuk Yee Kwong, Li-Wen Xu
The first example of enantioselective Pd-catalyzed hydrosilylation of symmetric and asymmetric diarylalkynes to access novel Si-stereogenic vinylsilanes with excellent ee and a high TON is realized under mild reaction conditions.
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Mechanistic insight into the dehydrogenation reaction catalyzed by an MLC catalyst with dual ancillary ligand sites

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01767F, Research Article
Gui-Xiang Zhou, Cheng Hou
This study reveals a mechanism in which a ruthenium complex catalyst improves catalytic efficiency and lowers the energy barrier in the dehydrogenation of benzyl alcohol by dynamically switching ligand sites.
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Metal-free visible-light-induced borylative/silylative pyridylation of vinylarenes

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01702A, Research Article
Yiting Zhou, Bin Liu
We present a metal-free and mild three-component reaction involving vinylarenes, NHC–BH3 complexes, hydrosilanes, and 4-cyanopyridine. Remarkably, this reaction was performed with simple and inexpensive benzophenone.
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Palladium-catalyzed synthesis of indene-1-acetates via sequential double carbopalladation and aryloxycarbonylation

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01570C, Research Article
Fei Sun, Yiyi Zheng, Zhongyao Jiang, Mingxia Wu, Zeng Lv, Hongsen Ji, Xin-Xing Wu
A novel palladium-catalyzed cascade reaction of o-iodostyrenes, internal alkynes and formates to access various indene-1-acetates through sequential double carbopalladation and aryloxycarbonylation under a palladium/air system was developed.
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Synthesis of bambusurils with perfluoroalkylthiobenzyl groups as highly potent halide receptors

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01746C, Research Article
Open Access
Matúš Chvojka, Hennie Valkenier, Vladimír Šindelář
Four new fluorinated bambusuril macrocycles were prepared to show exceptional high binding affinity towards halide anions in acetonitrile.
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Photocatalytic arylation/alkylation of olefins/alkynes via halogen-atom transfer mediated by NHC-BH3

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01562B, Research Article
Xinhan Li, Yao Zhong, Fengsong Tan, Yusong Fei, Xiaohan Zhao, Jianbin Xu, Baomin Fan
A versatile method for radical reductive cross-coupling of iodides and activated olefins under mild conditions, facilitated by NHC-BH3 through photocatalysis, was developed.
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Stereoselective access to furan-fused [5.5.0] bicyclic heterocycles enabled by gold-catalyzed asymmetric [8 + 4] cycloaddition

Org. Chem. Front., 2024, Advance Article
DOI: 10.1039/D4QO01841A, Research Article
Xunhua Wang, Jianhua Wang, Xiaoxun Li
A gold-catalyzed asymmetric [8 + 4] cycloaddition was developed to afford highly functionalized furan/pyrrole-fused [5.5.0] polycyclic heterocycles with good diastereo- and enantioselectivity.
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