Deprotection of Homoallyl (<sup>h</sup>Allyl) Derivatives of Phenols, Alcohols, Acids, and Amines
作者:Bruce H. Lipshutz、Subir Ghorai、Wendy Wen Yi Leong
DOI:10.1021/jo900012z
日期:2009.4.3
The homoallyl moiety, (h)Allyl, is presented as a general protecting group for several functionalities. It can be chemoselectively removed via a sequential, one-pot cross-metathesis/elimination sequence.
3-butenyl esters as convenient protecting groups for carboxylic acids
作者:Anthony G.M. Barrett、Suzanne A. Lebold、Xiao-an Zhang
DOI:10.1016/s0040-4039(00)70686-1
日期:1989.1
Carboxylicacids were protected as their corresponding 3-butenyl esters. Deprotection was carried out via ozonolysis and β-elimination of the resultant 3-acyloxypropanal.