ES447686A1 - Procedure for the preparation of tripeptides derived from l-proline. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the preparation of tripeptides derived from l-proline. (Machine-translation by Google Translate, not legally binding)
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Productos Frumtost SA
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Productos Frumtost SA
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Procedure for the preparation of tripeptides derived from L-proline, of the general formula: **(See formula)** where R1 represents two hydrogen or one oxygen atom, R2 represents a hydrogen atom to an acyl group of 1 to 8 carbon atoms and R3 represents a hydrogen atom or an alcohol radical of 1 to 4 carbon atoms and where the 2nd amino acid residue corresponds to L-leucine, characterized by comprising the use of a reagent from the group consisting of diethylphonphoryl cyanide, 1-oeoxy-carbonyl-2-ethoxy-1,2-dihydroquinoline and dicyclohexylcarbodiimide as condensation agents between peptide units that make up the molecule, and a derivative of L-leucine from formulas **(See formula)** where Q represents an alkyloxy or aralkyloxy radical or a residue derived from glycine of the formula: **(See formula)** where W represents an alkyloxy radical of 1 to 4 carbon atoms or an amino radical or an alkylamino of 1 to 7 carbon atoms. (Machine-translation by Google Translate, not legally binding)
ES447686A1976-05-071976-05-07Procedure for the preparation of tripeptides derived from l-proline. (Machine-translation by Google Translate, not legally binding)
ExpiredES447686A1
(en)
NOVEL OCTAHYDRO-6,10-DIOXO-6H-PYRIDAZINO/1,2-a/ /1,2/DIAZEPIN-1-CARBOXYLIC ACID DERIVATIVES, PREPARATION METHOD AND USE FOR PREPARING THERAPEUTICALLY ACTIVE COMPOUNDS