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Process for preparing substituted 5-amino-pyrazolo-[4,3-e]-1,2,4-triazolo[1,5-c]pyrimidinesProcess for preparing substituted 5-amino-pyrazolo-[4,3-e]-1,2,4-triazolo[1,5-c]pyrimidines description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20090131663, Process for preparing substituted 5-amino-pyrazolo-[4,3-e]-1,2,4-triazolo[1,5-c]pyrimidines. Brief Patent Description - Full Patent Description - Patent Application Claims
This application is a divisional of U.S. patent application Ser. No. 11/804,162 filed May 17, 2007 which in turn is a divisional of U.S. patent application Ser. No. 10/999,048 filed Nov. 29, 2004, now issued as U.S. Pat. No. 7,235,659, which in turn claims the benefit of priority of U.S. Provisional Application Ser. No. 60/525,925, filed Dec. 1, 2003, each of which applications and patent are incorporated by reference in their entirety as if fully set forth herein. The present invention relates to a process for preparing substituted 5-amino-pyrazolo[4,3-e]-1,2,4-triazolo-[1,5-c]pyrimidine compounds having an aminoalkyl substituent at the 7-position. Substituted 5-amino-pyrazolo[4,3-e]-1,2,4-triazolo-[1,5-c]pyrimidine compounds disclosed in WO 01/92264 are useful as A2a receptor antagonists in the treatment of central nervous system diseases, in particular Parkinson\'s disease. WO 01/92264 discloses processes for preparing 5-amino-2-substituted-pyrazolo[4,3-e]-1,2,4-triazolo-[1,5-c]pyrimidines comprising dehydrative rearrangement of hydrazines. The present invention relates to a process for preparing compounds of formula
or a pharmaceutically acceptable salt or solvate thereof, wherein L is alkylene; R is aryl, heteroaryl, R1-aryl, R1-heteroaryl or cycloalkenyl; Y is —N(R2)CH2CH2N(R3)—, —OCH2CH2N(R2)—, —(CH2)2—NH—, or
and Continue reading about Process for preparing substituted 5-amino-pyrazolo-[4,3-e]-1,2,4-triazolo[1,5-c]pyrimidines... Full patent description for Process for preparing substituted 5-amino-pyrazolo-[4,3-e]-1,2,4-triazolo[1,5-c]pyrimidines Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Process for preparing substituted 5-amino-pyrazolo-[4,3-e]-1,2,4-triazolo[1,5-c]pyrimidines patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. Each week you receive an email with patent applications related to your keywords. Start now! - Receive info on patent apps like Process for preparing substituted 5-amino-pyrazolo-[4,3-e]-1,2,4-triazolo[1,5-c]pyrimidines or other areas of interest. ### Previous Patent Application: Compositions and methods pertaining to pna synthons and oligomers comprising a universal base Next Patent Application: Method for producing 4(3h)-quinazolinone derivative Industry Class: Organic compounds -- part of the class 532-570 series ### FreshPatents.com Support Thank you for viewing the Process for preparing substituted 5-amino-pyrazolo-[4,3-e]-1,2,4-triazolo[1,5-c]pyrimidines patent info. IP-related news and info Results in 2.11269 seconds Other interesting Feshpatents.com categories: Canon USA , Celera Genomics , Cephalon, Inc. , Cingular Wireless , Clorox , Colgate-Palmolive , Corning , Cymer , paws |
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