Home > Organophosphorus Compounds> (2S,5S)-1-[2-[(2S,5S)-2,5-dimethylphospholan-1-yl]ethyl]-2,5-dimethylphospholane

(2S,5S)-1-[2-[(2S,5S)-2,5-dimethylphospholan-1-yl]ethyl]-2,5-dimethylphospholane

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Origin: China

Cas No: 136779-26-5

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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CAS No.: 136779-26-5 Formula: C14H28P2 Molecular Weight: 258.32000

Basic Info

Chemical Name	(2S,5S)-1-[2-[(2S,5S)-2,5-dimethylphospholan-1-yl]ethyl]-2,5-dimethylphospholane
Synonyms	(S,S)-Me-BPE; 1,2-Bis[(2S,5S)-2,5-dimethyl-1-phospholanyl]ethane;
CAS No.	136779-26-5
Molecular Formula	C14H28P2
Molecular Weight	258.32000
PSA	27.18000
LogP	5.09180

Properties

Density	0.938 g/mL at 25ºC
Boiling Point	64-67ºC0.06 mm Hg
Flash Point	162.1ºC
Refractive Index	n20/D 1.535
Vapor Pressure	0.000285mmHg at 25°C

Safety Info

RIDADR	UN 2845 4.2/PG 1

Synthesis Route

(2R,5R)-2,5-Hexanediol→(2S,5S)-1-[2-[(2S,5S)-2,5-dimethylphospholan-1-yl]ethyl]-2,5-dimethylphospholane
(2R,5R)-hexane-2,5-diyl dimethanesulfonate→(2S,5S)-1-[2-[(2S,5S)-2,5-dimethylphospholan-1-yl]ethyl]-2,5-dimethylphospholane
2-phosphanylethylphosphane+(4R,7R)-4,7-dimethyl-[1,3,2]dioxathiepane 2,2-dioxide→(2S,5S)-1-[2-[(2S,5S)-2,5-dimethylphospholan-1-yl]ethyl]-2,5-dimethylphospholane

Precursor

(2R,5R)-2,5-Hexanediol
2-phosphanylethylphosphane
(2R,5R)-hexane-2,5-diyl dimethanesulfonate
(4R,7R)-4,7-dimethyl-[1,3,2]dioxathiepane 2,2-dioxide

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