a-D-Galactopyranose,1,2:3,4-bis-O-(1-methylethylidene)-, 6-(4-methylbenzenesulfonate)

Modify Date: 2025-09-13 08:20:45

a-D-Galactopyranose,1,2:3,4-bis-O-(1-methylethylidene)-, 6-(4-methylbenzenesulfonate) Structure
a-D-Galactopyranose,1,2:3,4-bis-O-(1-methylethylidene)-, 6-(4-methylbenzenesulfonate) structure
 Common Name a-D-Galactopyranose,1,2:3,4-bis-O-(1-methylethylidene)-, 6-(4-methylbenzenesulfonate)
CAS Number 4478-43-7 Molecular Weight 414.47000
Density 1.23 g/cm3 Boiling Point 513.7ºC at 760 mmHg
Molecular Formula C19H26O8S Melting Point 92°C(lit.)
MSDS N/A Flash Point 264.5ºC

 Names

Name 1,2:3,4-DI-O-ISOPROPYLIDENE-6-O-P-TOLYLSULFONYL-α-D-GALACTOSE
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.23 g/cm3
Boiling Point 513.7ºC at 760 mmHg
Melting Point 92°C(lit.)
Molecular Formula C19H26O8S
Molecular Weight 414.47000
Flash Point 264.5ºC
Exact Mass 414.13500
PSA 97.90000
LogP 3.17760
Index of Refraction 1.505
InChIKey CTGSZKNLORWSMQ-DRRXZNNHSA-N
SMILES Cc1ccc(S(=O)(=O)OCC2OC3OC(C)(C)OC3C3OC(C)(C)OC23)cc1

 Synthetic Route

d-(+)-galactose structure

d-(+)-galactose

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a-D-Galactopyranose,1,2:3,4-bis-O-(1-methylethylidene)-, 6-(4-methylbenzenesulfonate) Structure

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Literature: Deng, Shenglou; Gangadharmath, Umesh; Chang, Cheng-Wei Tom Journal of Organic Chemistry, 2006 , vol. 71, # 14 p. 5179 - 5185
methyl 4,6-O-benzylidene-β-D-galactopyranoside 2,3-di-O-p-toluenesulfonate structure

methyl 4,6-O-be...

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(2,2,7,7-Tetramethyltetrahydro-3aH-bis[1,3]dioxolo[4,5-b:4',5'-d]pyran-5-yl)methanol structure

(2,2,7,7-Tetram...

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~89%

a-D-Galactopyranose,1,2:3,4-bis-O-(1-methylethylidene)-, 6-(4-methylbenzenesulfonate) Structure

a-D-Galactopyra...

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Literature: Hevey, Rachel; Ling, Chang-Chun Organic and Biomolecular Chemistry, 2013 , vol. 11, # 11 p. 1887 - 1895
1,2:3,4-Di-O-isopropyliden-6-O-(p-tolylsulfinyl)-α-D-galactopyranose structure

1,2:3,4-Di-O-is...

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a-D-Galactopyranose,1,2:3,4-bis-O-(1-methylethylidene)-, 6-(4-methylbenzenesulfonate) Structure

a-D-Galactopyra...

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Literature: Redlich, Hartmut; Meyer, Wolf-Ulrich Liebigs Annalen der Chemie, 1981 , # 8 p. 1354 - 1360
D-Galactose structure

D-Galactose

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a-D-Galactopyranose,1,2:3,4-bis-O-(1-methylethylidene)-, 6-(4-methylbenzenesulfonate) Structure

a-D-Galactopyra...

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Literature: Holy, Antonin Collection of Czechoslovak Chemical Communications, 1982 , vol. 47, # 11 p. 2969 - 2988
4-Methylbenzenesulfinic acid structure

4-Methylbenzene...

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a-D-Galactopyranose,1,2:3,4-bis-O-(1-methylethylidene)-, 6-(4-methylbenzenesulfonate) Structure

a-D-Galactopyra...

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Literature: Redlich, Hartmut; Meyer, Wolf-Ulrich Liebigs Annalen der Chemie, 1981 , # 8 p. 1354 - 1360
galactose structure

galactose

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~%

a-D-Galactopyranose,1,2:3,4-bis-O-(1-methylethylidene)-, 6-(4-methylbenzenesulfonate) Structure

a-D-Galactopyra...

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Literature: Moro, Angelica V.; Ferreira, Patricia C.; Migowski, Pedro; Rodembusch, Fabiano S.; Dupont, Jairton; Luedtke, Diogo S. Tetrahedron, 2013 , vol. 69, # 1 p. 201 - 206
Tosyl chloride structure

Tosyl chloride

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(2,2,7,7-Tetramethyltetrahydro-3aH-bis[1,3]dioxolo[4,5-b:4',5'-d]pyran-5-yl)methanol structure

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~10%

a-D-Galactopyranose,1,2:3,4-bis-O-(1-methylethylidene)-, 6-(4-methylbenzenesulfonate) Structure

a-D-Galactopyra...

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Literature: Deng, Shenglou; Gangadharmath, Umesh; Chang, Cheng-Wei Tom Journal of Organic Chemistry, 2006 , vol. 71, # 14 p. 5179 - 5185
Acetone structure

Acetone

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Methyl 6-o-(4-t...

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~73%

a-D-Galactopyranose,1,2:3,4-bis-O-(1-methylethylidene)-, 6-(4-methylbenzenesulfonate) Structure

a-D-Galactopyra...

CAS#:4478-43-7

Literature: Dasgupta, F.; Singh, P. P.; Srivastava, H. C. Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1980 , vol. 19, # 12 p. 1056 - 1059

 Synonyms

1,2:3,4-Di-O-isopropylidene-6-O-p-toluenesulfonyl-a-D-galactose
1,2:3,4-Di-O-isopropylidene-6-O-p-tolylsulfonyl-a-D-galactopyranose
1,2:3,4-Di-O-isopropylidene-6-O-p-toluenesulfonyl-a-D-galactopyranose
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Chemsrc provides CAS#:4478-43-7 MSDS, density, melting point, boiling point, structure, etc. Its name is a-D-Galactopyranose,1,2:3,4-bis-O-(1-methylethylidene)-, 6-(4-methylbenzenesulfonate)>> amp version: a-D-Galactopyranose,1,2:3,4-bis-O-(1-methylethylidene)-, 6-(4-methylbenzenesulfonate)

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