754962-35-1

Upstream product

• 218785-45-6 (2R)-1-[3,5-bis-(trifluoromethyl)benzoyl]-2-(3,4-dimethylbenzyl)-4-[4-((3S)-3-methoxymethylmorpholino)-2-butynyl]piperazine 
• 218592-73-5 (2R)-1-[3,5-bis(trifluoromethyl)benzoyl]-2-(3,4-dimethylbenzyl)-4-propargylpiperazine 
• 169458-94-0 (2R)-1-[3,5-bis(trifluoromethyl)benzoyl]-2-(3,4-dimethylbenzyl)piperazine 

Relevant academic research and scientific papers

AROYL-PIPERAZINE DERIVATIVES, THEIR PREPARATION AND THEIR USE AS TACHYKININ ANTAGONISTS

This invention relates to piperazine derivatives of formula (I), wherein Y is bond or lower alkylene, R1 is aryl which may have substituent(s), R2 is aryl or indolyl, each of which may have substituent(s), R3 is hydrogen or lower alkyl, and R4 is as defined in the description, and its pharmaceutically acceptable salt, to processes for preparation thereof, to pharmaceutical composition comprising the same, and to a use of the same for treating or preventing Tachykinin-mediated diseases in human beings or animals. 1