Synthesis p. 893 - 894 (1994)
Update date:2022-08-03
Topics:
Fitjer
Gerke
Anger
Acid-catalyzed rearrangement of 3,3,3',3'-tetramethyl-1,1'-bi(cyclobutylidene) (8) results in the formation of (3aR*,6aR*)-2,2,5,6-tetramethyl-1,2,3,3a,4,6a-hexahydropenta lene [(3aR*,6aR*)-9], a potential precursor of protoilludane sesquiterpenes. Compound 8 is prepared by oxidation and in situ coupling of cyclobutylidene-phosphorane 7.
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Doi:10.1016/S0008-6215(00)83748-9
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(2013)Doi:10.1016/j.bmcl.2007.08.035
(2007)Doi:10.1039/c5cc04051e
(2015)Doi:10.1016/S0040-4039(02)02871-X
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(1990)
