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JPS588085A |
Optically active trans-6-substituted-5(R)-2-penem-3-carboxylic acid derivatives of formula wherein R and R1 are each organic groups and R2 is hydrogen, a cation or a carboxy protecting group, are prepared by a multi-stage process of whic...
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JPS5653689A |
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JPS55124791A |
NEW MATERIAL:The title derivative of formula I [R1 is H, halogen, nitro, amino, lower alkyl(amino) group, etc.; R2 is lower alkyl group]. EXAMPLE: 12-Methyl-7-oxo-3H, 7H -4, 5-dihydro-2, 1, 4-oxathiazepino[4,3-b]-isoquinoline-2, 2-dioxid...
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JPS5549386A |
NEW MATERIAL:A heterocyclic compound of formula I (R1 is H, lower alkyl, etc.; R2,3 are H, aryl, etc., or a group which forms a benzene ring by cyclization), and its acid addition salt. EXAMPLE: 7-Ethoxycarbonyl-2-phenyl-5, 6, 7, 8-tetra...
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JPS5545666A |
NEW MATERIAL:Heterocyclic derivatives of formula I (R1, R2 are H, lower alkyl, aryl, or incorporate to form benzene ring, where the aryl and benzene ring may be substituted with at least one of lower alkyl, lower alkoxy, halogen, nitro, ...
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JPS54106492A |
Herbicidal and fungicidal oxadithiadiazapentalenes of the formula wherein X is halo and R is alkyl, haloalkyl, halovinyl, cycloalkyl, thiocayanatoalkyl, aryl, aryloxy, arylthiomethyl, aryloxymethyl, benzylthiomethyl, benzyloxymethyl or h...
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JPS5490189A |
NEW MATERIAL:A polynuclear metal complex derived from a carboxylic acid of formula I: [R is formlas II, III, and IV (is CH2) or its derivative] and a basic metal salt. The metal atom has a coordination number ≥4, e.g. Cr, Fe or Co. EXA...
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JPS4848499A |
Novel polycyclic macrocyclic compounds having four tertiary nitrogen bridgehead atoms and six bridging chains, each of which have not more than twelve directly connecting atoms between each pair of bridgehead nitrogens, said bridging cha...
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