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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

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.200267, 1192-1198.


Radical Reactions in Aqueous Medium Using (Me3Si)3SiH
A. Postigo, S. Kopsov, C. Ferreri, C. Chatgilialoglu, Org. Lett.20079, 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.200344, 4027-4029.




相关反应

Baylis-Hillman加合物的合成

Related Reactions

Synthesis of Baylis-Hillman Adducts


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