Home > Organosilicon Compounds> (3aR,4R,7aR)-4-[tri(propan-2-yl)silyloxymethyl]-4,7a-dihydro-3aH-[1,3]dioxolo[4,5-c]pyran-2-one

(3aR,4R,7aR)-4-[tri(propan-2-yl)silyloxymethyl]-4,7a-dihydro-3aH-[1,3]dioxolo[4,5-c]pyran-2-one

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Origin: China

Cas No: 149625-80-9

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.: 149625-80-9 Formula: C16H28O5Si Molecular Weight: 328.47600

Basic Info

Chemical Name	(3aR,4R,7aR)-4-[tri(propan-2-yl)silyloxymethyl]-4,7a-dihydro-3aH-[1,3]dioxolo[4,5-c]pyran-2-one
Synonyms	6-O-triisopropyl-3,4-cyclocarbonate galactal; 1,5-anhydro-3,4-O-carbonyl-2-deoxy-6-O-triisopropylsilyl-D-lyxo-hex-1-enitol;
CAS No.	149625-80-9
Molecular Formula	C16H28O5Si
Molecular Weight	328.47600
PSA	53.99000
LogP	3.99500

Properties

Density	1.087 g/mL at 25ºC(lit.)
Melting Point	-52ºC(lit.)
Refractive Index	n20/D 1.4825(lit.)

Synthesis Route

N,N'-Carbonyldiimidazole+(2R,3R,4R)-2-[tri(propan-2-yl)silyloxymethyl]-3,4-dihydro-2H-pyran-3,4-diol→(3aR,4R,7aR)-4-[tri(propan-2-yl)silyloxymethyl]-4,7a-dihydro-3aH-[1,3]dioxolo[4,5-c]pyran-2-one
D-Galactal→(3aR,4R,7aR)-4-[tri(propan-2-yl)silyloxymethyl]-4,7a-dihydro-3aH-[1,3]dioxolo[4,5-c]pyran-2-one
Tri-O-acetyl-D-galactal→(3aR,4R,7aR)-4-[tri(propan-2-yl)silyloxymethyl]-4,7a-dihydro-3aH-[1,3]dioxolo[4,5-c]pyran-2-one

Precursor

D-Galactal
N,N'-Carbonyldiimidazole
Tri-O-acetyl-D-galactal
(2R,3R,4R)-2-[tri(propan-2-yl)silyloxymethyl]-3,4-dihydro-2H-pyran-3,4-diol

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