Benzotriazol-1-yloxy-tris(dimethylamino)phosphonium hexafluorophosphate → HCID 54031003, compound

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Reaction Steps

In analogy to example 22, from 4-[4-methoxy-5-(2-methoxy-phenoxy)-6-(5-methyl-thiazole-2-sulfonylamino)-pyrimidin-2-yl]-pyridine-2-carboxylic acid, product of example 61, by coupling with MeOH and benzotriazol-1-yloxytris-(dimethylamino)-phosphonium hexafluorophosphate (BOP) as regent there was obtained 4-[4-methoxy-5-(2-methoxy-phenoxy)-6-(5-methyl-thiazole-2-sulfonylamino)-pyrimidin-2-yl]-pyridine-2-carboxylic acid methyl ester as an off-white solid. ISP mass spectrum, m/e 544.2 (M+1 calculated for C23H21N5O7S2: 544).

Provenance & Evidence