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    • 22. 发明授权
    • Bicyclic unsaturated thia-aza compounds and 4-acylthio azetidinone
intermediates
    • 双环不饱和硫杂氮杂环化合物和4-酰硫基氮杂环丁酮中间体
    • US4364865A
    • 1982-12-21
    • US158430
    • 1980-06-11
    • Ivan ErnestJacques GosteliRobert B. Woodward
    • Ivan ErnestJacques GosteliRobert B. Woodward
    • C07D205/095C07D499/88C07F9/568C07D205/08
    • C07D205/095C07D499/88C07F9/5683Y02P20/55
    • The invention relates to 6-amino-2-penem-3-carboxylic acid compounds of the formula ##STR1## in which R.sub.1.sup.a denotes hydrogen or an amino protective group R.sub.1.sup.A and R.sub.1.sup.b represents hydrogen or an acyl radical Ac, or in which R.sub.1.sup.a and R.sub.1.sup.b conjointly form a bivalent amino protective group, R.sub.2 denotes hydroxyl or a radical R.sub.2.sup.A which, together with the carbonyl grouping --C(.dbd.O)--, forms a protected carboxyl group, and R.sub.3 represents hydrogen or an organic radical which is linked via a carbon atom to the ring carbon atom, and 1-oxides thereof, as well as salts of such compounds having salt-forming groups, which compounds possess antibiotic properties, processes for the manufacture of such compounds, and also pharmaceutical formulations containing compounds of the formula I with pharmacological properties, and the use thereof, either as antibiotics, preferably in the form of pharmaceutical formulations, or as intermediate products.
    • 本发明涉及式(I)的6-氨基-2-青霉烯-3-羧酸化合物,其中R 1a表示氢或氨基保护基R 1A和R 1b表示氢或酰基Ac,或其中 R1a和R1b共同形成二价氨基保护基,R2表示羟基或基团R2A,其与羰基-C(= O) - 一起形成被保护的羧基,R 3表示氢或连接的有机基团 通过碳原子与环碳原子及其1-氧化物,以及具有成盐基团的化合物的盐,该化合物具有抗生素性质,制备这些化合物的方法,以及含有化合物的化合物的药物制剂 具有药理学性质的式I及其用途,优选为药物制剂形式的抗生素或作为中间产物。
    • 24. 发明授权
    • Process for the preparation of 5-substituted resorcinols and related
intermediates
    • 5-取代的间苯二酚和相关中间体的制备方法
    • US4020098A
    • 1977-04-26
    • US594412
    • 1975-07-09
    • Jacques Gosteli
    • Jacques Gosteli
    • C07C37/50C07C39/08C07C69/76
    • C07C37/50C07C67/343C07C69/88C07C69/94
    • According to the present invention, 5-substituted resorcinols of the formula I ##STR1## wherein R.sub.1 represents a hydrocarbon radical, optionally unsubstituted or substituted by inert substituents, are prepared by reacting a carboxylic acid ester of the formula IIr.sub.1 -- c .tbd. c -- co -- o -- r.sub.2 (ii)wherein R.sub.2 represents a non-aromatically bound lower hydrocarbon radical, in the presence of an alkaline condensation agent, with a diester of 3-oxoglutaric acid of the formula IIIr.sub.3 --o--co--ch.sub.2 --co--ch.sub.2 --co--o--r.sub.4 (iii)wherein R.sub.3 and R.sub.4 represent non-aromatically bound lower hydrocarbon radicals; hydrolyzing the resulting dihydroxyisophthalic acid acid ester of the formula IV ##STR2## and decarboxylating the hydrolyzed product, a specific embodiment is the preparation of 5-pentylresorcinol.
    • 根据本发明,式I的5-取代间苯二酚(I)其中R 1表示任选未取代或被惰性取代基取代的烃基,其通过使式II的羧酸酯R 1 -C 其中R 2表示非芳香结合的低级烃基,在碱性缩合剂的存在下,与式III的3-氧代戊二酸的二酯R 3 -O-CO- CH2-CO-CH2-CO-O-R4(Ⅲ)其中R3和R4代表非芳香结合的低级烃基; 水解所得的式IV(IV)的二羟基间苯二酸酸酯并使水解产物脱羧,具体实施方案是5-戊基间苯二酚的制备。