Tetrahedron Letters p. 1223 - 1226 (1980)
Update date:2022-08-02
Topics:
Gesche, Paul
Klinger, Francois
Strub, Henri
Streith, Jacques
Saponification of 1-ethoxycarbonyl and 1-benzoyl-4,5-dihydro (1-H) 1,2-diazepine derivatives leads, inter alia, delocatized 6? electron anions which undergo thermal disrotatory electrocyclization to the corresponding bicyclic 4? anions.These latter ones are acetylated whereby stable diaza-2,3 bicyclo <3.2.0> hept-3-ene compounds are obtained.
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Doi:10.1016/0040-4039(80)80124-9
(1980)Doi:10.1021/jo01313a003
(1980)Doi:10.1246/bcsj.53.1006
(1980)Doi:10.1016/S0040-4020(01)93694-4
(1980)Doi:10.1039/b403953j
(2004)Doi:10.1007/BF00553707
(1980)
