3-(1-Hydroxyethyl)-4-(but-2-ene)-azetidin-2-one and derivatives

Details 3-(1-Hydroxyethyl)-4-(but-2-ene)-azetidin-2-one and derivatives 3-(1-Hydroxyethyl)-4-(but-2-ene)-azetidin-2-one and derivatives

1981-01-05

1982-10-26

Berch, Mark L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

26024527, 542429, 542442, C07D20508, C07D48704

Patent

active

043561209

ABSTRACT:
Disclosed is a process for the total synthesis of thienamycin from substituted 4-allylazetidinone (IIIa) via intermediate III: ##STR1## wherein: R=H, blocking group or a salt cation; and R.degree. is alkyl, aralkyl, cycloalkyl, or cycloalkylalkyl.

REFERENCES:
patent: 4210661 (1980-07-01), Ponsford
patent: 4262009 (1981-04-01), Christensen et al.
patent: 4262010 (1981-04-01), Christensen et al.
patent: 4312871 (1982-01-01), Christensen et al.
Moriconi et al., J. Org. Chem. 36, 2841, (1971).

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