Patent ID: 11891375
Assignee: MOEHS IBéRICA, S.L.
Field: Organic fine chemistry (Chemistry)
Classification: CPC C | IPC C

Claim 10:
11. A method for preparing Lemborexant which comprises:
a) performing the method of claim 5, to obtain the compound of formula (III) or a salt thereof, b) reacting the compound of formula (III) or a salt thereof with a compound of formula (VIII) in the presence of a base in order to yield a compound of formula (IX), c) hydrolyzing the compound of formula (IX) in the presence of a base in order to yield a compound of formula (X), d) treating the compound of formula (X) with an oxidizing agent in order to yield a compound of formula (XI), , and
e) reacting the compound of formula (XI) with a compound of formula (XII) in the presence of a base and a coupling agent in order to yield Lemborexant, ,