Tetrahedron Letters p. 7811 - 7814 (1996)
Update date:2022-07-29
Topics:
Sakurai, Osamu
Horikawa, Hiroshi
Cyclization of alcohols 5 with the ketene dithioacetal terminator into carbapenams 6 was accomplished via the acyliminium ion generated from the corresponding mesylates. Carbapenams 6 were transformed into carbapenem 7 through 1O2-mediated cleavage of the ketene dithioacetal portion, enolphosphorylation, and addition-elimination processes.
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(1997)
