Journal of the Chemical Society. Perkin transactions I p. 1884 - 1887 (1981)
Update date:2022-08-03
Topics:
Kametani, Tetsuji
Honda, Toshio
Sasaki, Junko
Terasawa, Hirofumi
Fukumoto, Keiichiro
Upon treatment with various organolithiums, 4-acetoxyazetidin-2-one(10) afforded the corresponding carbon-displaced compounds (11),(12), and (13). 4-(3-diazo-3-ethoxycarbonyl-2-oxopropyl)azetidin-2-one (15) was also synthesised from (10) and ethyl α-diazoacetoacetate in the presence of lithium hexamethyldisilazide in one step.The diazo-compound (15) was thermally cyclised to the bicyclic keto-ester (17) in the presence of rhodium acetate.
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Doi:10.1021/je00026a024
(1981)Doi:10.1021/jo00336a001
(1981)Doi:10.1021/ja039863t
(2004)Doi:10.1002/jhet.446
(2010)Doi:10.1021/acs.orglett.9b03791
(2019)Doi:10.1002/adsc.201700671
(2017)
