Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1995-09-11
1996-06-04
Springer, David B.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
548530, C07D20716, C07D20712
Patent
active
055234135
ABSTRACT:
1S,4S and 1R,4R-2-Alkyl-2,5-diazabicyclo[2.2.1]-heptanes useful as intermediates in the synthesis of certain antibacterial quinolones, are prepared respectively, from trans-4-hydroxy-L-proline and trans-4-hydroxy-D-proline via multistep procedures.
REFERENCES:
patent: 4264620 (1981-04-01), Iwao et al.
patent: 5196548 (1993-03-01), Braish et al.
Braish Tamim F.
Fox Darrell E.
Ginsburg Paul H.
Pfizer Inc.
Richardson Peter C.
Springer David B.
Zielinski Bryan C.
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