March 18, 2013

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The following patent record is from the CAplusSM database.

CAPLUS COPYRIGHT 2013 ACS

Patent Number: US 8338596
Title: Process for the preparation of 5-substituted-8-alkoxy[1,2,4]triazolo[1,5-c]pyrimidin-2-amines
Inventor(s): Bott, Craig; Hamilton, Christopher; Roth, Gary
Patent Assignee(s): Dow Agrosciences LLC, USA
Source: PCT Int. Appl., 21pp. CODEN: PIXXD2
Language: English

Abstract:

5-Substituted-8-alkoxy[1,2,4]triazolo[1,5-c]pyrimidin-2-amines (I, wherein  X is halo or OR; and R is C1-4 alkyl) are manufactured from 2-substituted-4-amino-5-methoxypyrimidines via formation and cyclization  of a ((pyrimidinylamino)hydroxyimino)methylcarbamate in a process that avoids hydrazine and cyanogen halide.

Please note:  Abstracts for patent records in CAplus are routinely enhanced to better describe the claimed invention.

 View the full-text here.

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