1-Methyl-3-aminopyrazole → HCID 68711640, compound

Participants

Reaction Steps

The compound of Production Example 123 was obtained as a colorless amorphous substance by the same method as in Production Example 2, a corresponding method, or a combination thereof with an ordinary method, using (2R)-1-(t-butyldimethylsiloxy)-2-hydroxypropane, 3-amino-1-methyl-1H-pyrazole and 3-(4-acetyl-phenoxy)-5-hydroxy-benzoic acid methyl ester obtained by deprotection of the methoxymethyl group of 3-(4-acetyl-phenoxy)-5-methoxymethoxy-benzoic acid methyl ester obtained by reaction of the formyl group of 3-(4-formyl-phenoxy)-5-methoxymethoxy-benzoic acid methyl ester obtained by the same method as in Production Example 122 with methylmagnesium bromide, followed by oxidation.

Provenance & Evidence