6-Unsubstituted-7-oxo-4-oxa-diazabicyclo(3.2.0)hept-2-ene deriva

Details 6-Unsubstituted-7-oxo-4-oxa-diazabicyclo(3.2.0)hept-2-ene deriva 6-Unsubstituted-7-oxo-4-oxa-diazabicyclo(3.2.0)hept-2-ene deriva

1983-08-04

1986-01-14

Lesmes, George F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

548218, C07D49804

Patent

active

045644730

ABSTRACT:
A compound of the formula ##STR1## in which R is hydrogen, or optionally substituted alkyl, alkenyl, alkinyl, aralkyl, aryl, heteroaryl, heteroaralkyl, aryloxyalkyl, heteroaryloxyalkyl, alkoxyalkyl, arylthioalkyl, heteroarylthioalkyl, alkylthioalkyl, alkoxy, aryloxy, alkylthio or arylthio.
The compounds are prepared by novel processes and are suitable as intermediates for .beta.-lactam antibiotics.

REFERENCES:
patent: 4183855 (1980-01-01), Yoshioka et al.
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Habich, D., Angew. Chem. Int. Ed. Engl. 22, (9), p. 711, (1983).
Stoodley, R. J. et al., J.C.S. Perkin I, 181-184, (1974).
Corbett, D. F. et al., J.C.S. Perkin I, 185-188, (1974).
Baker, W. et al., J.C.S. Perkin I, pp. 668-674 (1978).
Kaura, A. C. et al. J.C.S. Chem. Comm., (7), 344-345, (1979).
Stoodley, R. J., "Recent Advances in the Chemistry of Lactam Antibiotics", Elks, The Chemical Soc. Lon., (1977) 189-203.
Stoodley, R. J., Stereoselective Synthesis of Natural Products, "Some Approaches to Analogues of the .beta.-Lactam Antibiotics", (1978), 193-203.
Woodward, R. B. et al., J. Am. Chem. Soc., 88 (4), (1966), "The Total Synthesis of Cephalosporin C'".
Aoki, T. et al., Heterocycles, 15, (1), 1981, 409-413, Convenient Synthesis of 3'-Substituted Methyl 7-.alpha.-Methoxy-1-Oxacephas.

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