Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...
Patent
1987-07-30
1989-12-19
Gerstl, Robert
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Heterocyclic carbon compounds containing a hetero ring...
540350, C07D48704, A61K 3140
Patent
active
048883441
ABSTRACT:
(4R,5S,6S 8R,2'S,4'S)-3-[4-(2-Dimethylaminocarbonyl)pyrrolidinylthio]-4-methyl-6-(1- hydroxyethyl)-1-azabicyclo[3.2.0]hept-2-en-7-one-2-carboxylic acid of the formula: ##STR1## in a crystalline form, which is useful as an antibiotic agent.
REFERENCES:
patent: 4748238 (1988-03-01), Shih
Jeffrey et al., "Homogeneous, Palladium(o)--Catalyzed Exchange Deprotection . . . ", J. Org. Chem., 1982, pp. 47, 587-590.
Girijavallabhan et al., "Synthesis of Optically Active Penems", Tetrahedron Letters, 22, No. 36, pp. 3485-3488 (1981).
Minami et al., "Palladium-Catalyzed Reaction . . . ", Tetrahedron Letters, 26, No. 20, pp. 2449-2452 (1985).
Isobe Yutaka
Matsumura Haruki
Noguchi Tetsuo
Ozaki Yukio
Sunagawa Makoto
Gerstl Robert
Sumitomo Pharmaceuticals Company Limited
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