7-endo Selective Friedel–Crafts type cyclization of vinyloxiranes linked to an ester group
摘要:
Treatment of arylpropyl vinyloxiranes linked to ester with BF3 was found to produce seven-membered ring products in excellent yields. This reaction proceeded in an inversion fashion. (C) 2002 Elsevier Science Ltd. All rights reserved.
Treatment of arylpropyl vinyloxiranes linked to ester with BF3 was found to produce seven-membered ring products in excellent yields. This reaction proceeded in an inversion fashion. (C) 2002 Elsevier Science Ltd. All rights reserved.
Intramolecular Friedel–Crafts type reaction of vinyloxiranes linked to an ester group
The 7-endo Friedel–Crafts cyclization of arylpropyl vinyloxiranes was found to proceed regio- and stereoselectively to afford polyfunctional seven-membered carbocycles in excellent yields.