GaCl3-catalyzed insertion of isocyanides into a C-O bond in cyclic ketals and acetals.
The reaction of cyclic ketals or acetals with 2,6-dibromophenylisocyanide in the presence of a catalytic amount of GaCl(3) results in the insertion of isocyanide into the carbon-oxygen bond of cyclic ketals and acetals. [reaction: see text]
Yoshioka
Sachiko
S
Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565-0871, Japan.
Oshita
Masayuki
M
Tobisu
Mamoru
M
Chatani
Naoto
N