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Merck
CN

38406

1,2:3,4-Di-O-isopropylidene-α-D-galactopyranose

purum, ≥97.0% (sum of enantiomers, GC)

Synonym(s):

1,2:3,4-Di-O-isopropylidene-D-galactopyranose

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About This Item

Empirical Formula (Hill Notation):
C12H20O6
CAS Number:
4064-06-6
Molecular Weight:
260.28
EC Number:
223-771-7
UNSPSC Code:
12352200
PubChem Substance ID:
329755683
Beilstein/REAXYS Number:
1345410
MDL number:
MFCD00063225

Key Documents

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InChI key

POORJMIIHXHXAV-SOYHJAILSA-N

InChI

1S/C12H20O6/c1-11(2)15-7-6(5-13)14-10-9(8(7)16-11)17-12(3,4)18-10/h6-10,13H,5H2,1-4H3/t6-,7+,8+,9-,10-/m1/s1

SMILES string

CC1(C)O[C@H]2O[C@H](CO)[C@@H]3OC(C)(C)O[C@@H]3[C@H]2O1

grade

purum

assay

≥97.0% (sum of enantiomers, GC)

optical activity

[α]20/D −59±1°, c = 3% in chloroform

refractive index

n20/D 1.466 (lit.)

bp

117 °C/0.015 mmHg (lit.)

density

1.143 g/mL at 25 °C (lit.)

storage temp.

2-8°C

Other Notes

Chiral building block

Storage Class

12 - Non Combustible Liquids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves

Regulatory Information

涉药品监管产品
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J. Gervay et al.
The Journal of Organic Chemistry, 56, 5448-5448 (1991)
H.B. Mereyala et al.
Tetrahedron Letters, 32, 7317-7317 (1991)
Stephen Hanessian et al.
The Journal of organic chemistry, 62(3), 465-473 (1997-02-07)
A highly stereocontrolled synthesis of ring D/E precursor to reserpine has been developed starting from (-)-quinic acid as a chiral template. The total synthesis of (-)-reserpine is described through the cyclization of an immonium lactam intermediate.

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