Synthèse du «Propylure», phéromone sexuelle dePectinophora gossypiellaSAUNDERS
摘要:
Abstract10‐Propyl‐trans‐trideca‐5, 9‐dien‐1‐yl acetate (propylure), the sex pheromone of the female pink bollworm moth, has been synthesized by an original procedure. The spectroscopic and physiological properties of the material are identical to that of the natural attractant.
Iron(II)-Catalyzed Azidotrifluoromethylation of Olefins and N-Heterocycles for Expedient Vicinal Trifluoromethyl Amine Synthesis
作者:Cheng-Liang Zhu、Cheng Wang、Qi-Xue Qin、Sam Yruegas、Caleb D. Martin、Hao Xu
DOI:10.1021/acscatal.8b01253
日期:2018.6.1
We report herein an iron-catalyzed azidotrifluoromethylation method for expedient vicinal trifluoromethyl primary-amine synthesis. This method is effective for a broad range of olefins and N-heterocycles, and it facilitates efficient synthesis of a wide variety of vicinal trifluoromethyl primary amines, including those that prove difficult to synthesize with existing approaches. Our preliminary mechanistic
Efficient synthesis of 3-sulfolenes from allylic alcohols and 1,3-dienes enabled by sodium metabisulfite as a sulfur dioxide equivalent
作者:Hang T. Dang、Vu T. Nguyen、Viet D. Nguyen、Hadi D. Arman、Oleg V. Larionov
DOI:10.1039/c8ob00745d
日期:——
We present herein an efficient and practical method for a gram scale synthesis of 3-sulfolenes using sodium metabisulfite as a safe, inexpensive, and easy to handle sulfur dioxide equivalent. Diversely-substituted 3-sulfolenes can be prepared by reacting a variety of 1,3-dienes or allylicalcohols with sodium metabisulfite in aqueous hexafluoroisopropanol (HFIP) or in aqueous methanol in the presence
[EN] ENVIRONMENTALLY-FRIENDLY HYDROAZIDATION OF OLEFINS<br/>[FR] HYDROAZIDATION D'OLÉFINES RESPECTUEUSE DE L'ENVIRONNEMENT
申请人:UNIV GEORGIA STATE RES FOUND
公开号:WO2020006476A1
公开(公告)日:2020-01-02
The present invention provides processes for the synthesis of organic azides, intermediates for the production thereof, and compositions related thereto.
本发明提供了有机叠氮化合物的合成过程,用于生产其中间体以及相关的组合物。
Direct Intermolecular Anti-Markovnikov Hydroazidation of Unactivated Olefins
作者:Hongze Li、Shou-Jie Shen、Cheng-Liang Zhu、Hao Xu
DOI:10.1021/jacs.9b04381
日期:2019.6.12
hydroazidation method for unactivatedolefins, which is promoted by a catalytic amount of bench-stable benziodoxole at ambient temperature. This method facilitates previously difficult, direct addition of hydrazoic acid across a wide variety of unactivatedolefins in both complex molecules and unfunctionalized commodity chemicals. It conveniently fills a synthetic chemistry gap of existing olefin hydroazidation
Electrochemical Oxidative Aryl(alkyl)trifluoromethylation of Allyl Alcohols via 1,2-Migration
作者:Zhipeng Guan、Huamin Wang、Yange Huang、Yunkun Wang、Shengchun Wang、Aiwen Lei
DOI:10.1021/acs.orglett.9b01518
日期:2019.6.21
An electrochemical oxidative difunctionalization of allyl alcohols for the synthesis of β-trifluoromethyl ketones is achieved through a 1,2-migration process. A series of β-trifluoromethyl ketones can be facilely obtained utilizing CF3SO2Na as a radical source, eliminating the use of metals and sacrificial chemical oxidants. Importantly, this protocol not only realizes aryl migration but also offers
通过1,2-迁移过程可实现烯丙醇的电化学氧化双官能化,以合成β-三氟甲基酮。利用CF 3 SO 2 Na作为自由基源可以轻松获得一系列β-三氟甲基酮,而无需使用金属和牺牲性化学氧化剂。重要的是,该协议不仅实现了芳基迁移,而且还提供了烷基迁移产物。另外,电化学催化的环膨胀和克级反应证明了该方案的合成有用性。