Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2019 Apr 10;173:117–153. doi: 10.1016/j.ejmech.2019.03.063

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© 2019 Elsevier Masson SAS. All rights reserved.

Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.

PMC Copyright notice

Scheme 20 — Synthetic route of quinazolinone-hydrazones as potent anti-inflammatory agents. Reagents and conditions: (i) TMS-Cl, MeOH, rt, 4 h, (ii) NH₂NH₂.H₂O, EtOH, reflux, 16 h, (iii) EtOH, CH₃COOH, reflux, 7–8 h.