112138-33-7Relevant articles and documents
Regiocontrolled cyclisation of acetylenic ketones. First example of selective desilylation of a triple bond in the presence of a silyl enol ether.
Drouin, J.,Boaventura, M. A.
, p. 3923 - 3926 (2007/10/02)
The thermal cyclisation of the butynylbicyclooctanone 5a is non regiospecific, and leads to products having a propellane or a cedrane skeleton.Conditions allowing exclusive formation of either type of products are given.