Tetrahedron Letters p. 3603 - 3606 (1980)
Update date:2022-08-29
Topics:
Crombie, Leslie
Powell, Michael J.
Tuchinda, Patoomratana
An efficient route to the O-protected spirenones (2c) and (2d) is described: from these, the five known natural spirans of cannabis, i.e. cannabispiradienone (1a), cannabispirenone-A (2a), cannabispirenone-B (2b), cannabispirone (3a) and cannabispiranol (4a), are synthesised.
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Doi:10.1016/S0040-4020(99)00077-0
(1999)Doi:10.1016/j.tetasy.2005.11.031
(2006)Doi:10.1021/ja505695w
(2014)Doi:10.1002/cssc.201903297
(2020)Doi:10.1016/S0277-5387(00)80588-4
(1990)Doi:10.1039/c39730000783
(1973)
