March 18, 2013

CAS databases provide millions of journal article references from more than 10,000 major scientific journals worldwide, patent and patent family references from 63 patent authorities around the world, and other reputable web sources.

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.

Recent News


    August 7, 2015 | CAS Announces the 2015 SciFinder
    Future Leaders in Chemistry and First-Ever Alumni
    Program
   
    August 3, 2015 | New STN Breaks Ground with
    Markush Structure Search and Enhanced Content
    for Intellectual Property Exploration and Research
   
    June 29, 2015 | CAS Assigns the 100 Millionth CAS
    Registry Number to a Substance Designed to
    Treat Acute Myeloid Leukemia
   
                                                                       More News >> 
 
 

Media Contact

 Name: Rhonda Ross
 Phone: 614-447-3624
 Email: cas-pr@cas.org