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

. 2012 Jun 20;10(6):1412–1421. doi: 10.3390/md10061412

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

© 2012 by the authors; licensee MDPI, Basel, Switzerland.

This article is an open-access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

PMC Copyright notice

Scheme 1 — Synthesis of methanesulfonamide 10. Reagents and conditions: (a) K₂CO₃, acetone, BnBr, 0 °C, 98%; (b) phenyltriethylammonium tribromide, THF, 80%; (c) hexamethylenetetramine, chlorobenzene, then conc. HCl; (d) MsCl, Et₃N, acetone/H₂O 2:1, 60% over two steps.