
Tetrahedron Letters p. 507 - 510 (1987)
Update date:2022-07-29
Topics:
Kim, Choung Un
Luh, Bing,
Partyka, Richard A.
Stereoselective syntheses of the 1-β-methylcarbapenem intermediates 9B (R=SPh or OCH3) have been accomplished by an aldol-type stereocontrolled reaction and stereoselective catalytic hydrogenation of an olefinic ester.
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