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(2R,3S)-2-[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-3-(4-fluorophenyl)morpholine

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Origin: China

Cas No: 171338-27-5

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

Property

CAS No.: 171338-27-5 Formula: C20H18F7NO2 Molecular Weight: 437.35100

Description

A metabolite of Aprepitant.

Basic Info

Chemical Name	(2R,3S)-2-[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-3-(4-fluorophenyl)morpholine
Synonyms
CAS No.	171338-27-5
Molecular Formula	C20H18F7NO2
Molecular Weight	437.35100
PSA	30.49000
LogP	5.99300

Properties

Density	1.375 g/cm3
Boiling Point	387.856ºC at 760 mmHg
Flash Point	188.369ºC
Refractive Index	1.505
Vapor Pressure	0mmHg at 25°C

Synthesis Route

(6R)-6-[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-5-(4-fluorophenyl)-3,6-dihydro-2H-1,4-oxazine→(2R,3S)-2-[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-3-(4-fluorophenyl)morpholine
2-[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-3-(4-fluorophenyl)-5,6-dihydro-2H-1,4-oxazine→(2R,3S)-2-[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-3-(4-fluorophenyl)morpholine
6-(1-(3,5-bis(trifluoromethyl)phenyl)ethoxy)-5-(4-fluorophenyl)-3,6-dihydro-2H-1,4-oxazine→(2S,3R)-2-[(1S)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-3-(4-fluorophenyl)morpholine+(2R,3S)-2-[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-3-(4-fluorophenyl)morpholine

Precursor

4-Fluorophenylmagnesium bromide
(6R)-6-[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-5-(4-fluorophenyl)-3,6-dihydro-2H-1,4-oxazine
(2R)-4-benzyl-2-[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]morpholin-3-one
2-[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-3-(4-fluorophenyl)-5,6-dihydro-2H-1,4-oxazine

Downstream Product

Aprepitant

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