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Beecham Research Laboratories Ltd
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Beecham Research Laboratories Ltd
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Publication of ES289148A1publicationCriticalpatent/ES289148A1/en
C07D499/00—Heterocyclic compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. penicillins, penems; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07K—PEPTIDES
C07K1/00—General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length
C07K1/006—General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length of peptides containing derivatised side chain amino acids
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Biochemistry
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Medicinal Chemistry
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Molecular Biology
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Pharmaceuticals Containing Other Organic And Inorganic Compounds
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Cephalosporin Compounds
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Abstract
Process of preparation of penicillins of formula ** (See formula) ** and non-toxic salts thereof, in which formula R is an aliphatic, aromatic or heterocyclic radical, all of which may be substituted, whose process comprises the reaction of an acid R.COOH with N, N'-carbonyldi-imidazole or with N , N'-carbonyldithriazole, and the subsequent reaction of the product with 6-aminopenicilinic acid. (Machine-translation by Google Translate, not legally binding)
ES289148A1962-06-301963-06-18Procedure for preparing penicillines (Machine-translation by Google Translate, not legally binding)
ExpiredES289148A1
(en)
Procedure for the preparation of N- (r-tetrahydrofurfuril) -noroximorphone and N- (s-tetrahydrofurfuril) -noroximorphone new. (Machine-translation by Google Translate, not legally binding)
Procedure for preparation of new derivatives of the methyl-2 nitro-5-hydroxy-8 quinoleine. (Machine-translation by Google Translate, not legally binding)
Procedure for the obtaining of heterocyclic esters of the acid tionotiolfosfºr- (con) -ico (Machine-translation by Google Translate, not legally binding)
Procedure for obtaining a derivative of 1,1-dioxide from 3,4-hydride-1,2,4-benzotiadiacin (Machine-translation by Google Translate, not legally binding)
Procedure for the preparation of new derivatives of penicilanic amino-6 acid and its toxic salts (Machine-translation by Google Translate, not legally binding)