HYDROACYLATION;
CARBOHYDRATES;
CYCLIZATION;
C-BRANCHED PENTODIALDOSE;
ENE REACTION;
D O I:
10.1016/0040-4039(91)80809-K
中图分类号:
O62 [有机化学];
学科分类号:
070303 ;
081704 ;
摘要:
Cyclization of 1,2-isopropylidene 3-C-allyl ribo-pentodialdose, and 1-methylallyl and 3-C-vinyl analogs, with [(Ph3P)2RhCl]2 under CH2CH2 leads to intramolecular hydroacylation of the alkene with selective formation of cyclohexanones or cyclopentanones.