Iterative One Pot Reactions of a Chiral Sulfamidate with 2,4,6-Trichloropyridine: Regiocontrolled Synthesis of Linear and Angular Chiral Dipyrrolidino Pyridines
摘要:
The product of the ring opening of a chiral sulfamidate with the 3-lithiopyridine species obtained by deprotonation of 2,4,6-trichloropyridine with n-BuLi can be deprotonated again in situ with n-BuLi and reacted with a second equivalent of the sulfamidate furnishing a bis beta-aminoethyl pyridine derivative which can be cyclized regioselectively to linear or angular chiral dipyrrolidino pyridines.
The present invention relates to compounds of formula (I)
1
as well as pharmaceutically acceptable salts, solvates and esters thereof. These compounds can be used to prepare pharmaceutical compositions for the treatment or prevention of disorders of the central nervous system, damage to the central nervous system, cardiovascular disorders, gastrointestinal disorders, diabetes, obesity and sleep apnoea.
New tetracyclic 6 azapyrazinoindolines as 5HT2C receptor agonists for obesity
申请人:Hebeisen Paul
公开号:US20060252759A1
公开(公告)日:2006-11-09
The present invention refers to chemical compounds of formula (I)
as well as pharmaceutically acceptable salts and esters thereof, wherein R
1
to R
5
have the significance given in claim 1. These compounds can be used for the preparation of medicaments.
1,2,3,4,9,9a-hexahydro-2,4a,5-triaza-fluorene and 1,2,3,4-tetrahydro-2,4a,5-triaza-fluorene derivatives
申请人:Hoffmann-La Roche Inc.
公开号:US07098337B2
公开(公告)日:2006-08-29
The present invention relates to compounds of formula (I)
as well as pharmaceutically acceptable salts, solvates and esters thereof. These compounds can be used to prepare pharmaceutical compositions for the treatment or prevention of disorders of the central nervous system, damage to the central nervous system, cardiovascular disorders, gastrointestinal disorders, diabetes, obesity and sleep apnoea.