936114-12-4Relevant articles and documents
Preparation and purification method for triphenyl methyl olmesartan compound (I)
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Paragraph 0016-0017; 0024; 0025, (2020/01/03)
The present invention provides a preparation and purification method for triphenyl methyl olmesartan. The method comprises the following steps: forming a triphenyl methyl olmesartan carboxylate reaction liquid by using ethyl 4-(2-hydroxy-2-propanyl)-2-pro
METHOD FOR PRODUCING BIARYL COMPOUND
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, (2015/07/15)
Provided is a novel production method capable of producing a biaryl compound, which is useful as an intermediate for angiotensin II receptor blockers, economically under conditions suitable for industrial production. A production method of a biaryl compound of the formula [3] or a salt thereof, including reacting a 2-phenylazole derivative of the formula [1] or a salt thereof, with a benzene derivative of the formula [2] or a salt thereof in the presence of a metal catalyst, a base, and one or more kinds of compounds selected from the group consisting of (a) a monocarboxylic acid metal salt, (b) a dicarboxylic acid metal salt, (c) a sulfonic acid metal salt, and (d) a phosphate or phosphoric amide metal salt represented by RAxP(O)(OM)y wherein each symbol is as defined in the DESCRIPTION.
A METHOD OF REMOVING THE TRIPHENYLMETHANE PROTECTING GROUP FROM PRECURSORS OF ANTIHYPERTENSIVE DRUGS
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Page/Page column 9; 10, (2008/06/13)
A method of removing the triphenylmethane protecting group from precursors of antihypertensive drugs of general formula I, wherein R is a metabolically degradable group, B is a heterocyclic moiety with one or two 5- or 6-membered rings at least one of which contains two nitrogen heteroatoms, in which the compound of formula I is reacted with water in the presence of a solvent which is partially or completely miscible with water.