Home > Alcohols> (2R,3R)-3-ethyl-2-[(E,2R,3S,4R,5S)-2-hydroxy-4-methoxy-3,5-dimethylnon-7-enyl]-2,3-dihydropyran-6-one

(2R,3R)-3-ethyl-2-[(E,2R,3S,4R,5S)-2-hydroxy-4-methoxy-3,5-dimethylnon-7-enyl]-2,3-dihydropyran-6-one

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Origin: China

Cas No: 151519-02-7

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 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.: 151519-02-7 Formula: C19H32O4 Molecular Weight: 324.45500

Basic Info

Chemical Name	(2R,3R)-3-ethyl-2-[(E,2R,3S,4R,5S)-2-hydroxy-4-methoxy-3,5-dimethylnon-7-enyl]-2,3-dihydropyran-6-one
Synonyms
CAS No.	151519-02-7
Molecular Formula	C19H32O4
Molecular Weight	324.45500
PSA	55.76000
LogP	3.49860

Properties

Density	0.993 g/cm3
Boiling Point	473.1ºC at 760 mmHg
Flash Point	160.3ºC
Refractive Index	1.478
Vapor Pressure	6.14E-11mmHg at 25°C

Synthesis Route

→(2R,3R)-3-ethyl-2-[(E,2R,3S,4R,5S)-2-hydroxy-4-methoxy-3,5-dimethylnon-7-enyl]-2,3-dihydropyran-6-one
acetic acid (E)-(1R,2S,3R,4S)-1-[(2R,3R)-3-ethyl-6-oxo-3,6-dihydro-2H-pyran-2-ylmethyl]-3-methoxy-2,4-dimethyloct-6-enyl ester→(2R,3R)-3-ethyl-2-[(E,2R,3S,4R,5S)-2-hydroxy-4-methoxy-3,5-dimethylnon-7-enyl]-2,3-dihydropyran-6-one
(5R,6R)-6-((2R,3R,4R,5S,E)-2-((tert-butyldimethylsilyl)oxy)-4-methoxy-3,5-dimethylnon-7-en-1-yl)-5-ethyl-5,6-dihydro-2H-pyran-2-one→(2R,3R)-3-ethyl-2-[(E,2R,3S,4R,5S)-2-hydroxy-4-methoxy-3,5-dimethylnon-7-enyl]-2,3-dihydropyran-6-one

Precursor

(E,4S,5R,7R,8S,9R,10S)-tert-butyl 7-(tert-butyldimethylsilanyloxy)-4-ethyl-5-hydroxy-9-methoxy-8,10-dimethyl-3-oxotetradec-12-enoate

(5R,6R)-6-((2R,3R,4R,5S,E)-2-((tert-butyldimethylsilyl)oxy)-4-methoxy-3,5-dimethylnon-7-en-1-yl)-5-ethyl-5,6-dihydro-2H-pyran-2-one
acetic acid (E)-(1R,2S,3R,4S)-1-[(2R,3R)-3-ethyl-6-oxo-3,6-dihydro-2H-pyran-2-ylmethyl]-3-methoxy-2,4-dimethyloct-6-enyl ester

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