Home > All categories> Biochemicals and Pharmaceutical Chemicals> Pharmaceutical Impurities> (1S)-1-{3-[(E)-2-(7-Chloro-2-quinolinyl)vinyl]phenyl}-3-[2-(2-hyd roxy-2-propanyl)phenyl]-1-propanol

(1S)-1-{3-[(E)-2-(7-Chloro-2-quinolinyl)vinyl]phenyl}-3-[2-(2-hyd roxy-2-propanyl)phenyl]-1-propanol

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Origin: China

Cas No: 287930-77-2

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

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CAS No.: 287930-77-2 Formula: C29H28ClNO2 Molecular Weight: 457.99100

Description

A montelukast impurity.

Basic Info

Chemical Name	(1S)-1-{3-[(E)-2-(7-Chloro-2-quinolinyl)vinyl]phenyl}-3-[2-(2-hyd roxy-2-propanyl)phenyl]-1-propanol
Synonyms
CAS No.	287930-77-2
Molecular Formula	C29H28ClNO2
Molecular Weight	457.99100
PSA	53.35000
LogP	6.95220

Synthesis Route

METHYL 2-[(S)-3-{(E)-3-[2-(7-CHLORO-2-QUINOLYL)VINYL]PHENYL}-3-HYDROXYPROPYL]BENZOATE→(1S)-1-{3-[(E)-2-(7-Chloro-2-quinolinyl)vinyl]phenyl}-3-[2-(2-hyd roxy-2-propanyl)phenyl]-1-propanol
methylmagnesium chloride+METHYL 2-[(S)-3-{(E)-3-[2-(7-CHLORO-2-QUINOLYL)VINYL]PHENYL}-3-HYDROXYPROPYL]BENZOATE→(1S)-1-{3-[(E)-2-(7-Chloro-2-quinolinyl)vinyl]phenyl}-3-[2-(2-hyd roxy-2-propanyl)phenyl]-1-propanol
7-chloro-2-ethenylquinoline+(S)-1-(3-bromo-phenyl)-3-[2-(1-hydroxy-1-methyl-ethyl)-phenyl]-propan-1-ol→(1S)-1-{3-[(E)-2-(7-Chloro-2-quinolinyl)vinyl]phenyl}-3-[2-(2-hyd roxy-2-propanyl)phenyl]-1-propanol

Precursor

METHYL 2-[(S)-3-{(E)-3-[2-(7-CHLORO-2-QUINOLYL)VINYL]PHENYL}-3-HYDROXYPROPYL]BENZOATE
(3S)-3-[3-[(E)-2-(7-chloro-2-quinolinyl)ethenyl]phenyl]-4,5-dihydro-3H-benzo[c]oxepin-1-one
(S)-1-(3-bromo-phenyl)-3-[2-(1-hydroxy-1-methyl-ethyl)-phenyl]-propan-1-ol
methylmagnesium chloride

Downstream Product

Montelukast Bis-sulfide
Sodium {1-[({(1S)-1-{3-[(E)-2-(7-chloro-2-quinolinyl)vinyl]phenyl }-3-[2-(2-hydroxy-2-propanyl)phenyl]propyl}sulfanyl)methyl]cyclop ropyl}acetate
montelukast sodium
1-(((1(R)-(3-(2-(7-chloro-2-quinolinil)ethenyl)phenyl)-3-(2-(1-hydroxy-1-methylethyl)phenyl)propyl)thio)methyl)cyclopropane acetic acid dicyclohexylamine salt

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