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Sumitomo Chemical Co Ltd
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Sumitomo Chemical Co Ltd
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Publication of ES410259A1publicationCriticalpatent/ES410259A1/en
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
Procedure for preparing quinazoline derivatives represented by the formula ** formula ** in which D represents a group of formula ** formula W represents oxygen or sulfur, n represents 0 or an integer from 1 to 3: R1, R2 and R3 represent each one hydrogen, halogen, nitro, C1-4alkyl, C1-4alkoxy, C1-4alcoylthio, C1-4alkylsulfinyl, trifluoromethyl and R4 represents C3-6 cycloalkyl, and their pharmaceutically acceptable acid addition salts, characterized in that comprises reacting a trihalogenoacetamido derivative (Machine-translation by Google Translate, not legally binding)
ES410259A1969-08-041972-12-30A procedure for preparing quinazoline derivatives. (Machine-translation by Google Translate, not legally binding)
ExpiredES410259A1
(en)
Procedure for the preparation of amino-derivatives of pirazolo (3,4-b) pyridine-5-carboxylic acids. (Machine-translation by Google Translate, not legally binding)