Visible-Light-Initiated Hydrooxygenation of Unactivated Alkenes─A Strategy for Anti-Markovnikov Hydrofunctionalization
作者:Linda Quach、Subhabrata Dutta、Philipp M. Pflüger、Frederik Sandfort、Peter Bellotti、Frank Glorius
DOI:10.1021/acscatal.1c05555
日期:2022.2.18
of unactivated alkenes is an indispensable mean in synthetic chemistry. Given that addition of electrophilic species into alkenes intrinsically follows the Markovnikov rule, a regioselectivity switch presents a major challenge. Herein, we present a visible-light-promoted strategy for the selective anti-Markovnikov hydrooxygenation of unactivated alkenes. Therefore, an innovative reagent was carefully
Carbonic acid esters of the formula ##STR1## wherein R.sub.1 is a member having from 8 to 12 carbon atoms selected from the group consisting of alkylcyclohexyl, alkenylcyclohexyl, alkynylcyclohexyl and cycloalkyl, and R.sub.2 is a member selected from the group consisting of alkyl having from 1 to 5 carbon atoms, alkenyl having from 2 to 5 carbon atoms and alkynyl having from 2 to 5 carbon atoms, which compounds have pleasing and persistent scents, as well as processes for producing them and perfume compositions containing them.
Photocatalytic
<i>Anti</i>
‐Markovnikov Radical Hydro‐ and Aminooxygenation of Unactivated Alkenes Tuned by Ketoxime Carbonates
作者:Sheng‐Qiang Lai、Bang‐Yi Wei、Jia‐Wei Wang、Wei Yu、Bing Han
DOI:10.1002/anie.202107118
日期:2021.9.27
A tunable photocatalytic method is reported for anti-Markovnikov hydro- and aminooxygenation of unactivated alkenesusing readily accessible ketoxime carbonates as the diverse functionalization reagents. Mechanistic studies reveal that this reaction is initiated through an energy-transfer-promoted N−O bond homolysis of ketoxime carbonates leading to alkoxylcarbonyloxyl and iminyl radicals under visible-light
Alkyl cycloheptylmethyl carbonates and perfume compositions
申请人:KAO CORPORATION
公开号:EP1698684A1
公开(公告)日:2006-09-06
The prevent invention relates to an alkyl cycloheptylmethyl carbonate represented by the general formula (1):
wherein R is methyl or ethyl.
The alkyl cycloheptylmethyl carbonates have a floral fruity jasmine scent.
本发明涉及一种由通式(1)表示的环庚基甲基碳酸烷基酯:
其中 R 是甲基或乙基。
烷基环庚基甲基碳酸盐具有花果茉莉香味。