The present invention relates generally to novel methods for the synthesis of O-(6-pyrazol-1-yl-pyridin-3-ylmethyl)-hydroxylamine which is an essential reagent in the synthesis of one of the bridged erythromycin derivatives and their respective pharmaceutically acceptable salts in PCT Application WO 03/097659 A1. In particular, the present invention relates to processes and intermediates for the preparation of a compound of formula (Ia):
[EN] PROCESSES FOR THE PREPARATION OF O-(6-PYRAZOL-1-YL-PYRIDIN-3-YLMETHYL)-HYDROXYLAMINE<br/>[FR] METHODES DE PREPARATION DE O-(6-PYRAZOL-1-YL-PYRIDIN-3-YLMETHYL)-HYDROXYLAMINE
申请人:ENANTA PHARM INC
公开号:WO2006119417A1
公开(公告)日:2006-11-09
[EN] The present invention relates generally to novel methods for the synthesis of O-(6-pyrazol-l-yl-pyridin-3-ylmethyl)-hydroxylamine which is an essential reagent in the synthesis of one of the bridged erythromycin derivatives and their respective pharmaceutically acceptable salts in PCT Application WO 03/097659 Al. In particular, the present invention relates to processes and intermediates for the preparation of a compound of formula (Ia). [FR] La présente invention concerne de nouvelles méthodes de synthèse de O-(6-pyrazol-l-yl-pyridin-3-ylméthyl)-hydroxylamine, un réactif essentiel dans la synthèse d'un des dérivés d'érythromycine pontés et leurs sels acceptables d'un point de vue pharmaceutique de la demande WO 03/097659 Al du PCT. La présente invention concerne, en particulier, des méthodes et des intermédiaires utilisés dans la préparation d'un composé représenté par la formule (Ia).
Processes for the preparation of O-(6-pyrazol-1-yl-pyridin-3-ylmethyl)-hydroxylamine
申请人:Tang Datong
公开号:US20060247440A1
公开(公告)日:2006-11-02
The present invention relates generally to novel methods for the synthesis of O-(6-pyrazol-1-yl-pyridin-3-ylmethyl)-hydroxylamine which is an essential reagent in the synthesis of one of the bridged erythromycin derivatives and their respective pharmaceutically acceptable salts in PCT Application WO 03/097659 A1. In particular, the present invention relates to processes and intermediates for the preparation of a compound of formula (Ia):