Organic compounds -- part of the class 532-570 series – Organic compounds – Unsubstituted hydrocarbyl chain between the ring and the -c-...
Patent
1988-10-17
1990-06-05
Berch, Mark L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Unsubstituted hydrocarbyl chain between the ring and the -c-...
C07B 5700, C07D40506
Patent
active
049315560
ABSTRACT:
Cis .alpha..alpha./.beta..beta.-3-amino-[2-(2-furyl)eth-1-yl]-1-methoxycarbony lmethyl-azetidin-2-one is resolved via optically active malic acid.
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Medimac, Chem. Abs. 83, 58665a (1975).
Chem. Abs. 89, 43876 (1978), Shiozawa, Chem. Abst. 109, 128823g.
Hatanaka et al., "A Simple Synthesis of (.+-.)-1-Carbacephem Derivatives", Tetrahedron Letters, vol. 24, No. 44, pp. 4837-4838 (1983).
Boyer Brett D.
Eckrich Thomas M.
Berch Mark L.
Eli Lilly and Company
Graves, Jr. Bernard J.
Whitaker Leroy
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