1031848-72-2

Upstream product

• 1031849-45-2 2-(2-phenyl-8,9-dihydrofuro[3,2-c]pyrazolo[1,5-a]pyridin-1-yl)ethanamine hydrochloride 
• 123-62-6 propionic acid anhydride 

Relevant academic research and scientific papers

TRICYCLIC COMPOUND AND MEDICAL USE THEREOF

The present invention provides a compound represented by the formula wherein R1 is a hydrocarbon group optionally having substituent(s), amino optionally having substituent(s), hydroxy optionally having a substituent or a heterocyclic group optionally having substituent(s), R2 is a hydrogen atom or a hydrocarbon group optionally having substituent(s), R3 is a hydrogen atom, a halogen atom, a hydrocarbon group optionally having substituent(s), amino optionally having substituent(s), hydroxy optionally having a substituent or mercapto optionally having a substituent, Xa to Xe are each a carbon atom or a nitrogen atom, m is 0 to 2, and ring A to ring C are each a ring optionally having substituent(s), or a salt thereof, which is useful as an agent for the prophylaxis or treatment of a disease relating to an action of melatonin, and the like.