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

. 2013 May 2;8(6):946–955. doi: 10.1002/cmdc.201300032

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

© 2013 The Authors. Published by Wiley-VCH Verlag GmbH & Co. KGaA. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

© 2013 The Authors. Published by Wiley-VCH Verlag GmbH & Co. KGaA. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

PMC Copyright notice

Scheme 1 — Synthesis of quinoxalines. Reagents and conditions: a) R₂COCO₂H, CH₃OH, RT, 30 min; b) POCl₃, 100 °C, 1 h; c) N-methylpiperazine, mw, 120 °C, or N-methylpiperazine, EtOAc, mw, 160 °C, 15 min.