1,4-Diastereoselectivity in the addition
โ
Dominick Mobilio; Barbara De Lange
๐
Article
๐
1987
๐
Elsevier Science
๐
French
โ 164 KB
Cyclohexenones I were allowed to react with allyltrimethylsilane and three allyltributylstannanes in the presence of titanium tetrachloride. Products 2 and 2 were formed in ratios ranging from 7:l to 26:l (2:3). Ratios resulting from the use of other Lewis acids -support 4 as an intermediate which a