Oxadiazines

Details Oxadiazines Oxadiazines

1987-10-14

1989-07-18

Raymond, Richard L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

540200, 540302, 540310, 544 66, C07D49804

Patent

active

048495166

ABSTRACT:
Compounds of the formula (V): ##STR1## wherein R.sup.1 is certain optionally substituted alkyl groups, R.sup.2 is hydrogen, alkyl or optionally substituted phenyl and R.sup.3 and R.sup.4 are independently alkyl or optionally substituted phenyl, or together form a C.sub.4-7 cycloalkyl ring; are described as useful intermediates in the preparation of carbapenem and penem antibiotics. Processes for their preparation are described as are certain oxadiazine intermediates.

REFERENCES:
patent: 4245089 (1981-01-01), Ponsford et al.
H. Gnichtel; Chemische Berichte, vol. 103, No. 11, 1970, pp. 3442-3447 Chemie Der Amino-Oxime, I.V. Die Umsetzung Von Syn-Alpha-Ketoximen Mit Aldehyden.
T. C. Smale; Tetrahedron Letters, vol. 25, No. 27, 1984, A Chiral Intermediate for Thienamycin Analogue Synthesis: (3S, 4R)-4-(2-Azetidin-2-One.

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