巴顿-麦库米反应,巴顿脱氧,Barton-McCombie Reaction,Barton Deoxygenation
巴顿-麦库米反应,巴顿脱氧,Barton-McCombie Reaction,Barton Deoxygenation. 一种醇脱氧的方法。首先将醇转化成硫代羰基衍生物,然后用Bu3SnH处理。一旦自由基链被引发,硫磺对Bu3Sn载体的攻击引发产生烷基的分解,其中Bu3SnH作为氢自由基(H·)供体。反应的驱动力是形成非常稳定的S-Sn键。
Barton-McCombie反应的机理
启动:
催化循环,其中低浓度的.SnBu3影响反应:
Recent Literature 近期文献
A Tin Hydride Designed To Facilitate Removal of Tin Species from Products of Stannane-Mediated Radical Reactions
D. L. J. Clive, J. Wang, J. Org. Chem., 2002, 67, 1192-1198.
Radical Reactions in Aqueous Medium Using (Me3Si)3SiH
A. Postigo, S. Kopsov, C. Ferreri, C. Chatgilialoglu, Org. Lett., 2007, 9, 5159-5162.
Radical-based transformation of vicinal diols to olefins via thioxocarbamate derivatives: a simple approach to 2',3'-didehydro-2',3'-dideoxynucleosides
M. Oba, M. Suyama, A. Shimamura, K. Nishiyama, Tetrahedron Lett., 2003, 44, 4027-4029.
相关反应
Baylis-Hillman加合物的合成
Related Reactions
Synthesis of Baylis-Hillman Adducts