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(-)-1,4-Di-O-benzyl-L-threitol

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Origin: China

Cas No: 17401-06-8

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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CAS No.: 17401-06-8 Formula: C18H22O4 Molecular Weight: 302.36500

Basic Info

Chemical Name	(-)-1,4-Di-O-benzyl-L-threitol
Synonyms	(-)-1,4-DI-O-BENZYL-L-THREITOL; (-)-(2S,3S)-1,4-Bis(benzyloxy)-2,3-butanediol; (2S,3S)-1,4-bis(phenylmethoxy)butane-2,3-diol;
CAS No.	17401-06-8
Molecular Formula	C18H22O4
Molecular Weight	302.36500
PSA	58.92000
LogP	2.14180

Properties

Appearance & Physical State	white to light yellow crystal powder
Density	1.174 g/cm3
Boiling Point	484.4ºC at 760 mmHg
Melting Point	55-58ºC
Flash Point	246.7ºC
Refractive Index	-6.3 ° (C=5, CHCl3)
Vapor Pressure	3.41E-10mmHg at 25°C

Safety Info

HS Code	2909499000
WGK Germany	3

Synthesis Route

(2S,3S)-(-)-bis(dibenzyloxymethyl)-2,2-dimethyl-1,3-dioxolane→(-)-1,4-Di-O-benzyl-L-threitol
(2R,3R,5S,6S)-5,6-bis((benzyloxy)methyl)-2,3-dimethoxy-2,3-dimethyl-1,4-dioxane→(-)-1,4-Di-O-benzyl-L-threitol
(2S,3S)-2,3-bis[(benzyloxy)methyl]-1,4-dioxaspiro[4.4]nonane→(-)-1,4-Di-O-benzyl-L-threitol

Precursor

(2S,3S)-(-)-bis(dibenzyloxymethyl)-2,2-dimethyl-1,3-dioxolane
(2S,3S)-2,3-bis[(benzyloxy)methyl]-1,4-dioxaspiro[4.4]nonane

benzyl bromide

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