在蓝光照射下,在 FeCl 3 ·6H 2 O 存在下,未活化的烯烃与实验室稳定的 NaN 3转化为烷基叠氮化物。所得产物具有抗马可夫尼科夫选择性,反应可以在空气和湿气存在的温和环境条件下进行。该转化表现出广泛的官能团耐受性,这使其适合复杂分子的官能化。进行机理研究以深入了解叠氮反应并揭示水合铁中的水作为氢原子源的作用。
在蓝光照射下,在 FeCl 3 ·6H 2 O 存在下,未活化的烯烃与实验室稳定的 NaN 3转化为烷基叠氮化物。所得产物具有抗马可夫尼科夫选择性,反应可以在空气和湿气存在的温和环境条件下进行。该转化表现出广泛的官能团耐受性,这使其适合复杂分子的官能化。进行机理研究以深入了解叠氮反应并揭示水合铁中的水作为氢原子源的作用。
Conversion of alkenes and alcohols to azides over zeolite-supported sodium azide
作者:R. Sreekumar、R. Padmakumar、P. Rugmini
DOI:10.1039/a700627f
日期:——
Zeolite-supported sodium azide reagents are versatile catalysts for the
conversion of various alkenes and alcohols to the corresponding azides in
good yield under mild conditions.
MONOFUNCTIONAL BRANCHED POLYETHYLENEGLYCOL AND BIO-RELATED SUBSTANCE MODIFIED BY SAME
申请人:Xiamen Sinopeg Biotech Co., Ltd.
公开号:EP2947111A1
公开(公告)日:2015-11-25
Disclosed are a monofunctional branched polyethyleneglycol and a bio-related substance modified by same. The general formula of the monofunctional branched polyethyleneglycol is shown in Formula (1), and the general formula of the bio-related substance modified by the polyethyleneglycol is shown in Formula (2), wherein X1 and X2 are respectively an alkyl group with 1 to 20 carbon atoms; n1 and n2 are respectively an integer ranging from 1 to 1000; n3 is an integer ranging from 11 to 1000; L1 and L2 are respectively a linking group stably existing in illumination, enzyme, acidic, or alkaline conditions; p is 0 or 1, and q is 0 or 1; R1 is a hydrogen atom or an alkyl group with 1 to 20 carbon atoms; D is the bio-related substance; and Z is a linking group, through which a functional group capable of reacting with the bio-related substance is linked to a symmetric axis polyethyleneglycol main chain. The bio-related substance modified by the polyethyleneglycol maintains good biological activity, and has good solubility and long metabolic half-life in an organism.
Synthetic methods. 19. Lewis acid catalyzed conversion of alkenes and alcohols to azides
作者:Alfred Hassner、Richard Fibiger、Donald Andisik
DOI:10.1021/jo00196a025
日期:1984.11
HASSNER, A.;FIBIGER, R.;ANDISIK, D., J. ORG. CHEM., 1984, 49, N 22, 4237-4244
作者:HASSNER, A.、FIBIGER, R.、ANDISIK, D.
DOI:——
日期:——
Iron-Mediated Photochemical Anti-Markovnikov Hydroazidation of Unactivated Olefins
作者:Henry Lindner、Willi M. Amberg、Erick M. Carreira
DOI:10.1021/jacs.3c09122
日期:2023.10.18
Unactivated olefins are converted to alkyl azides with bench-stable NaN3 in the presence of FeCl3·6H2O under blue-light irradiation. The products are obtained with anti-Markovnikov selectivity, and the reaction can be performed under mild ambient conditions in the presence of air and moisture. The transformation displays broad functional group tolerance, which renders it suitable for functionalization
在蓝光照射下,在 FeCl 3 ·6H 2 O 存在下,未活化的烯烃与实验室稳定的 NaN 3转化为烷基叠氮化物。所得产物具有抗马可夫尼科夫选择性,反应可以在空气和湿气存在的温和环境条件下进行。该转化表现出广泛的官能团耐受性,这使其适合复杂分子的官能化。进行机理研究以深入了解叠氮反应并揭示水合铁中的水作为氢原子源的作用。