139936-08-6Relevant academic research and scientific papers
REACTIONS OF OXIRANES II. EFFECT OF PROTECTING GROUPS ON THE REGIOSELECTIVITY OF THE OPENING OF OXIRANE IN 2,3-EPOXYBICYCLOHEPTAN-6-ONES BY LITHIUM ALKYNIDE IN THE PRESENCE OF BORON TRIFLUORIDE
Kanger, T. P.,Lopp, M. I.,Lille, Yu. E.
, p. 1487 - 1493 (2007/10/02)
In 2,3-epoxybicycloheptan-6-ones the ratio of the regioisomers formed during opening of the oxirane ring by lithium alkynides in the presence of boron trifluoride varies between 2:1 and 1:1, depending on the protecting groups used for the keto func
