A [3+3] Aldol-S N Ar-Dehydration Approach to 2-Naphthol and 7-Hydroxyquinoline Derivatives.

Authors: Fobi, Kwabena¹ (AUTHOR) kfobi@okstate.edu, Ametsetor, Ebenezer¹ (AUTHOR), Bunce, Richard A.¹ (AUTHOR) rab@okstate.edu

Source: Molecules. Jul2024, Vol. 29 Issue 14, p3406. 17p.

Subject Terms: *RING formation (Chemistry), *REGIOSELECTIVITY (Chemistry), *GROUP rings, *ANNULATION, *ESTERS

5(S)-((3a R ,4 R ,6a R)-2,2-Dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)-2-phenyl-4,5-dihydrooxazole.

Authors: Boiaryna, Liliana¹ (AUTHOR) liliana.boiaryna@gmail.com, Guillarme, Stéphane¹ (AUTHOR), Saluzzo, Christine¹ (AUTHOR) christine.saluzzo@univ-lemans.fr

Source: Molbank. Sep2024, Vol. 2024 Issue 3, pM1843. 3p.

Subject Terms: *RING-opening reactions, *REGIOSELECTIVITY (Chemistry), *OXAZOLINE, *BENZONITRILE, *CARBOHYDRATES

Copper-Catalyzed Synthesis of 4-CF 3 -1,2,3-Triazoles: An Efficient and Facile Approach via Click Reaction.

Authors: Tang, Tinghong¹ (AUTHOR) tangtinghong884@163.com, Chen, Cuiting¹ (AUTHOR), Fu, Xin¹ (AUTHOR), Xu, Huilan¹ (AUTHOR), Wu, Luyong¹ (AUTHOR) wuluyong@hainnu.edu.cn, Chen, Wenhao¹ (AUTHOR) wuluyong@hainnu.edu.cn

Source: Molecules. Mar2024, Vol. 29 Issue 6, p1191. 16p.

Subject Terms: *RING formation (Chemistry), *REGIOSELECTIVITY (Chemistry), *ALKYNES, *AZIDES

Base-promoted regioselective synthesis of alkyl (2-tosyl/4-ethylcarbonyl) thiazole-5-carboxylates employing dithioates and active methylene isocyanides.

Authors: Santhosh, Chikkappaiahnayaka¹ (AUTHOR), Singh, Krishna Ravi¹ (AUTHOR), Mane, Manoj V.² (AUTHOR), Sheela, Kalleshappa¹ (AUTHOR), Sharath, Kalleshappa¹ (AUTHOR), Sadashiva, Maralinganadoddi P.¹ (AUTHOR) mpsadashiva@gmail.com

Source: New Journal of Chemistry. 3/21/2025, Vol. 49 Issue 11, p4604-4614. 11p.

Subject Terms: *REGIOSELECTIVITY (Chemistry), *ISOCYANIDES, *X-ray diffraction, *FUNCTIONAL groups, *RING formation (Chemistry)

One‐Step Process for the Regiodivergent Double Hydrocyanation of 1,3‐Butadiene.

Authors: Long, Jinguo¹ (AUTHOR), Wang, Ting^1,2 (AUTHOR), Zhong, Hongyu³ (AUTHOR), Jiao, Mingdong¹ (AUTHOR), Morandi, Bill³ (AUTHOR), He, Lin⁴ (AUTHOR) helin@licp.cas.cn, Cheng, Gui‐Juan² (AUTHOR) chengguijuan@cuhk.edu.cn, Fang, Xianjie¹ (AUTHOR) fangxj@hznu.edu.cn

Source: Angewandte Chemie. 3/17/2025, Vol. 137 Issue 12, p1-8. 8p.

Subject Terms: *NITRILES, *REGIOSELECTIVITY (Chemistry), *CATALYSTS, *CYANATES, *LIGANDS (Biochemistry), *NICKEL catalysts, *ISOPRENE

Catalytic γ‐Position‐Selective Reactions of (2‐Oxopropyl)phosphonates with Aldehydes to Afford γ,δ‐Unsaturated β‐Ketophosphonates.

Authors: Osborne, James¹ (AUTHOR), Tanaka, Fujie¹ (AUTHOR) ftanaka@oist.jp

Source: Advanced Synthesis & Catalysis. Feb2025, p1. 10p. 8 Illustrations.

Subject Terms: *MANNICH reaction, *REGIOSELECTIVITY (Chemistry), *CONDENSATION reactions, *ALDOL condensation, *ELIMINATION reactions

Rhodium‐Catalyzed Meta‐C−H Arylation of Arenes with Varied Linker Lengths: Bridging Catalytic Selectivity with Structural Diversity.

Authors: Mandal, Astam¹ (AUTHOR), Prasad Biswas, Jyoti² (AUTHOR), Maiti, Debabrata¹ (AUTHOR) dmaiti@chem.iitb.ac.in

Source: Angewandte Chemie. 2/10/2025, Vol. 137 Issue 7, p1-13. 13p.

Subject Terms: *RHODIUM catalysts, *REGIOSELECTIVITY (Chemistry), *AROMATIC compounds, *FUNCTIONAL groups, *BIPHENYL compounds

Non-classical sonochemical regioselective reaction of [4 + 2]-cycloaddition in the synthesis of morpholine adducts of C70 fullerene.

Authors: Kinzyabaeva, Zemfira S.¹ (AUTHOR) zefa5@rambler.ru

Source: Fullerenes, Nanotubes & Carbon Nanostructures. Jan2025, p1-9. 9p. 5 Illustrations.

Subject Terms: *RADICAL anions, *REGIOSELECTIVITY (Chemistry), *RING formation (Chemistry), *CHARGE exchange, *MORPHOLINE

Access to Alkenyl Cyclobutanols by Ni‐Catalyzed Regio‐ and Enantio‐Selective syn‐Hydrometalative 4‐exo‐trig Cyclization of Alkynones.

Authors: Li, Xiao‐Lin¹ (AUTHOR), Deng, Jiang‐Lian¹ (AUTHOR), Long, Jian¹ (AUTHOR), Fu, Yi‐Fan¹ (AUTHOR), Zheng, Yu‐Qing¹ (AUTHOR), Liu, Wen‐Bo^1,2 (AUTHOR) wenboliu@whu.edu.cn

Source: Angewandte Chemie. 1/15/2025, Vol. 137 Issue 3, p1-9. 9p.

Subject Terms: *REGIOSELECTIVITY (Chemistry), *NICKEL catalysts, *CYCLOBUTANE, *METALATION, *CHEMICAL synthesis, *RING formation (Chemistry), *ALKYNES, *STEREOSELECTIVE reactions

Molecular Design of Thermophilic Esterase for the Highly Regioselective Acylation of Quercetin

Authors: Liu, Xutong, Tao, Yu, Li, Yajing, Shao, Xinxin, Huang, Zihao, Jiang, Liyan

Source: 2024 IEEE International Conference on Manipulation, Manufacturing and Measurement on the Nanoscale (3M-NANO) Manipulation, Manufacturing and Measurement on the Nanoscale (3M-NANO), 2024 IEEE International Conference on. :399-402 Jul, 2024

Relation: 2024 IEEE International Conference on Manipulation, Manufacturing and Measurement on the Nanoscale (3M-NANO)

Rare-Earth-Metal-Catalyzed Regioselective Hydrosilylation of Internal Alkenes and Alkynes.

Authors: Zhu, Chenhao¹ (AUTHOR), Mao, Tao¹ (AUTHOR), Feng, Xiaoming¹ (AUTHOR), Dong, Shunxi¹ (AUTHOR) dongs@scu.edu.cn

Source: Synthesis. Dec2024, Vol. 56 Issue 24, p3903-3914. 12p.

Subject Terms: *REGIOSELECTIVITY (Chemistry), *ALKYNES, *HYDROSILYLATION, *LANTHANUM, *METALS

Copper‐Catalyzed Regioselective Reaction for Arylselenation of Unprotected Pyrazoles Using Selenium Powder.

Authors: Mu, Xiaoxu¹ (AUTHOR), Wu, Yi¹ (AUTHOR), Pu, Yusheng² (AUTHOR), Ruan, Jinghua³ (AUTHOR), Zha, Xin³ (AUTHOR), Gao, Suo⁴ (AUTHOR), Wang, Bing⁵ (AUTHOR), Wang, Jianta¹ (AUTHOR) kingland1@163.com, Tang, Lei¹ (AUTHOR) tlei1974@163.com, Wang, Cong^1,3 (AUTHOR) 63402036@163.com

Source: ChemistrySelect. Dec2024, Vol. 9 Issue 45, p1-5. 5p.

Subject Terms: *REGIOSELECTIVITY (Chemistry), *PYRAZOLES, *FUNCTIONAL groups, *SELENIUM, *POWDERS, *ARYL iodides

Convergent synthesis of bicyclic boronates via a cascade regioselective Suzuki–Miyaura/cyclisation protocol.

Authors: Marotta, Alessandro^1,2 (AUTHOR), Kortman, Hannah M.^1,2 (AUTHOR), Interdonato, Chiara¹ (AUTHOR), Seeberger, Peter H.^1,2 (AUTHOR), Molloy, John J.¹ (AUTHOR) john.molloy@mpikg.mpg.de

Source: Chemical Communications. 11/21/2024, Vol. 60 Issue 90, p13223-13226. 4p.

Subject Terms: *DRUG discovery, *REGIOSELECTIVITY (Chemistry), *BORONIC esters, *HETEROCYCLIC compounds

Novel synthesis of 1,6- and 1,4-dialkyl glycolurils and their supramolecular organization.

Authors: Baranov, Vladimir V.¹ (AUTHOR) Ase1313@mail.ru, Antonova, Maria M.² (AUTHOR), Aksenova, Svetlana A.³ (AUTHOR), Kolotyrkina, Natalya G.¹ (AUTHOR), Kravchenko, Angelina N.¹ (AUTHOR)

Source: Mendeleev Communications. Nov2024, Vol. 34 Issue 6, p871-874. 4p.

Subject Terms: *REGIOSELECTIVITY (Chemistry), *CONDENSATION, *X-rays, *CRYSTALS, *ORGANIZATION

Ligand‐Controlled Regioselective Hydroacylation Reactions of Methylenecyclobutanes under Rhodium Catalysis.

Authors: Jiang, Zhi‐Ping¹ (AUTHOR), Li, Ying‐Yun¹ (AUTHOR), Zhao, Jun² (AUTHOR), Zhang, Shi‐Jiao¹ (AUTHOR) zhangshijiao23@163.com, Li, Hong‐Shuang² (AUTHOR) hsli@sdfmu.edu.cn

Source: ChemistrySelect. 10/25/2024, Vol. 9 Issue 40, p1-7. 7p.

Subject Terms: *REGIOSELECTIVITY (Chemistry), *RHODIUM, *CATALYSIS, *CATALYSTS, *ATOMS

Unexpectedly Regioselective Diels‐Alder Reactions of New Unsymmetrical Benzoquinones: A Convenient Synthetic Entry to Uniquely Substituted Decalins.

Authors: Maier, Lukáš^1,2 (AUTHOR) lmaier@mail.muni.cz, Němečková, Dana¹ (AUTHOR), Akavaram, Naresh¹ (AUTHOR), Kalla, Erik¹ (AUTHOR), Semrád, Hugo¹ (AUTHOR), Matyasková, Olivie¹ (AUTHOR), Munzarová, Markéta¹ (AUTHOR), Daďová, Petra³ (AUTHOR), Kubala, Lukáš^2,3 (AUTHOR), Švenda, Jakub^1,2 (AUTHOR), Paruch, Kamil^1,2 (AUTHOR) paruch@chemi.muni.cz

Source: Chemistry - A European Journal. Oct2024, Vol. 30 Issue 55, p1-10. 10p.

Subject Terms: *BENZOQUINONES, *REGIOSELECTIVITY (Chemistry), *ETHYL group, *DIELS-Alder reaction, *GROUP rings

Angular Regioselective Synthesis of Varied Functionalized Hexahydro-1,2,4-triazolo[4,3- a ]quinazolin-9-ones and Their Antiproliferative Action †.

Authors: Said, Awad I.^1,2 (AUTHOR) awadsaid@aun.edu.eg, Gajdács, Márió³ (AUTHOR) gajdacs.mario@szte.hu, Zupkó, István³ (AUTHOR) zupko.istvan@szte.hu, Haukka, Matti⁴ (AUTHOR) matti.o.haukka@jyu.fi, Palkó, Márta¹ (AUTHOR) awadsaid@aun.edu.eg

Source: Molecules. May2023, Vol. 28 Issue 9, p3718. 10p.

Subject Terms: *REGIOSELECTIVITY (Chemistry), *CANCER cells, *STEREOCHEMISTRY

Regioselective Reaction of 2-Indolylmethanols with Enamides.

Authors: Tian, Yuting¹ (AUTHOR) 15072425013@139.com, He, Dongqing² (AUTHOR) m17671776102@163.com, Gao, Limei¹ (AUTHOR) 13667157337@163.com, Zou, Yu¹ (AUTHOR) m15025728534@163.com, Liu, Xiaoshuang¹ (AUTHOR) wq@mail.scuec.edu.cn, Wang, Qiang¹ (AUTHOR), Liang, Enxiang² (AUTHOR) gaolm3811@163.com, Zheng, Yongsheng¹ (AUTHOR) gaolm3811@163.com

Source: Molecules. Apr2023, Vol. 28 Issue 8, p3341. 16p.

Subject Terms: *REGIOSELECTIVITY (Chemistry), *INDOLE compounds, *SKELETON

Ultrasonic Promoted Regioselective Reactions of the Novel Spiro 3,1-Benzoxazon-Isobenzofuranone Dye Toward Some Organic Base Reagents.

Authors: Hassaballah, Aya I.¹ (AUTHOR), Ramadan, Sayed K.¹ (AUTHOR), Rizk, Sameh A.¹ (AUTHOR), El-Helw, Eman A. E.¹ (AUTHOR), Abdelwahab, Salwa S.² (AUTHOR)

Source: Polycyclic Aromatic Compounds. 2023, Vol. 43 Issue 4, p2973-2989. 17p.

Subject Terms: *REGIOSELECTIVITY (Chemistry), *ORGANIC bases, *SPIRO compounds, *ULTRASONICS, *CHEMICAL synthesis, *DYES & dyeing, *ISOINDOLE

Vinylogous Michael addition of nitroalkylideneoxindoles to isatylidene-malononitriles in the regio- and diastereoselective synthesis of dispirocyclopentylbisoxindoles.

Authors: Satham, Lakshminarayana¹ (AUTHOR), Sankara, Chenikkayala Siva¹ (AUTHOR), Bhagat, Shweta¹ (AUTHOR), Namboothiri, Irishi N N¹ (AUTHOR) irishi@iitb.ac.in

Source: Journal of Chemical Sciences. Mar2023, Vol. 135 Issue 1, p1-15. 15p.

Subject Terms: *REGIOSELECTIVITY (Chemistry), *CHIRAL centers, *ANNULATION, *STEREOSELECTIVE reactions, *ENERGY policy, *OXINDOLES