MERCK SERONO S.A. GENEVA
MERCK SERONO S.A. GENEVA Patent applications | ||
Patent application number | Title | Published |
---|---|---|
20130211076 | Method for preparing substituted N-(3-amino-quinoxalin-2-yl)-sulfonamides and their intermediates N-(3-chloro-quinoxalin-2-yl)-sulfonamides - The present invention provides a new synthesis for preparing N-(3-amino-quinoxalin-2-yl)-sulfonamides of general formulae (I) or (I′) and intermediates sulfonamides of formula (II) or (II′): | 08-15-2013 |