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

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Names

[ CAS No. ]:
4478-43-7

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

[Synonym ]:
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

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

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Tosyl chloride
  • (2,2,7,7-Tetramethyltetrahydro-3aH-bis[1,3]dioxolo[4,5-b:4',5'-d]pyran-5-yl)methanol
  • d-(+)-galactose
  • methyl 4,6-O-benzylidene-β-D-galactopyranoside 2,3-di-O-p-toluenesulfonate
  • 1,2:3,4-Di-O-isopropyliden-6-O-(p-tolylsulfinyl)-α-D-galactopyranose
  • D-Galactose
  • Acetone
  • Methyl 6-o-(4-toluenesulfonyl)--D-galactopyranoside
  • 4-Methylbenzenesulfinic acid
  • galactose

DownStream

  • (3aR,5R,5aS,8aS,8bR)-5-(azidomethyl)-2,2,7,7-tetramethyl-5,5a,8a,8b-tetrahydro-3aH-di[1,3]dioxolo[4,5-a:5',4'-d]pyran
  • 6-DEOXY-1,2:3,4-DI-O-ISOPROPYLIDENE-ALPHA-D-GALACTOPYRANOSIDE
  • (2,2,7,7-Tetramethyltetrahydro-3aH-bis[1,3]dioxolo[4,5-b:4',5'-d]pyran-5-yl)methanol
  • D-(+)-Fucose
  • Sodium toluene-4-sulphinate
  • Toluene
  • 5-(iodomethyl)-2,2,7,7-tetramethyl-5,5a,8a,8b-tetrahydro-3aH-di[1,3]dioxolo[4,5-a:5',4'-d]pyran
  • 1,2:3,4-Di-O-isopropylidene-6-thio-a-D-galactopyranose
  • 1,2:3,4-Di-O-isopropyliden- 6-deoxy-6-thioacetyl-alpha-D-galactopyranose