World Library  
Flag as Inappropriate
Email this Article


Article Id: WHEBN0016399269
Reproduction Date:

Title: Etazolate  
Author: World Heritage Encyclopedia
Language: English
Subject: Cartazolate, Tracazolate, ICI-190,622, 8-Cyclopentyl-1,3-dimethylxanthine, Pentoxifylline
Publisher: World Heritage Encyclopedia


Systematic (IUPAC) name
Ethyl 1-ethyl-4-[2-(propan-2-ylidene)hydrazinyl]-1H-pyrazolo[3,4-b]pyridine-5-carboxylate
Clinical data
Legal status
  • Uncontrolled
Routes of
CAS Registry Number
ATC code None
PubChem CID:
Chemical data
Formula C14H19N5O2
Molecular mass 289.33 g/mol

Etazolate (SQ-20,009, EHT-0202) is an anxiolytic drug which is a pyrazolopyridine derivative and has unique pharmacological properties.[1][2][3] It acts as a positive allosteric modulator of the GABAA receptor at the barbiturate binding site,[4][5][6][7] as an adenosine antagonist of the A1 and A2 subtypes,[8] and as a phosphodiesterase inhibitor selective for the PDE4 isoform.[9][10][11] It is currently in clinical trials for the treatment of Alzheimer's disease.[12]


Cartazolate and Etazolate synthesis: E.R. SQUIBB & SONS, INC., NEW YORK, N.Y., US. DE 2123318 

See also


  1. ^
  2. ^
  3. ^
  4. ^
  5. ^
  6. ^
  7. ^
  8. ^
  9. ^
  10. ^
  11. ^
  12. ^
This article was sourced from Creative Commons Attribution-ShareAlike License; additional terms may apply. World Heritage Encyclopedia content is assembled from numerous content providers, Open Access Publishing, and in compliance with The Fair Access to Science and Technology Research Act (FASTR), Wikimedia Foundation, Inc., Public Library of Science, The Encyclopedia of Life, Open Book Publishers (OBP), PubMed, U.S. National Library of Medicine, National Center for Biotechnology Information, U.S. National Library of Medicine, National Institutes of Health (NIH), U.S. Department of Health & Human Services, and, which sources content from all federal, state, local, tribal, and territorial government publication portals (.gov, .mil, .edu). Funding for and content contributors is made possible from the U.S. Congress, E-Government Act of 2002.
Crowd sourced content that is contributed to World Heritage Encyclopedia is peer reviewed and edited by our editorial staff to ensure quality scholarly research articles.
By using this site, you agree to the Terms of Use and Privacy Policy. World Heritage Encyclopedia™ is a registered trademark of the World Public Library Association, a non-profit organization.

Copyright © World Library Foundation. All rights reserved. eBooks from Project Gutenberg are sponsored by the World Library Foundation,
a 501c(4) Member's Support Non-Profit Organization, and is NOT affiliated with any governmental agency or department.