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Sigma-Aldrich

meso-Hydrobenzoin

99%

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Synonym(s):
meso-1,2-Diphenyl-1,2-ethanediol
Linear Formula:
C6H5CH(OH)CH(OH)C6H5
CAS Number:
Molecular Weight:
214.26
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

99%

form

solid

mp

137-139 °C (lit.)

solubility

ethanol: soluble 25 mg/mL, clear, colorless

SMILES string

O[C@H]([C@H](O)c1ccccc1)c2ccccc2

InChI

1S/C14H14O2/c15-13(11-7-3-1-4-8-11)14(16)12-9-5-2-6-10-12/h1-10,13-16H/t13-,14+

InChI key

IHPDTPWNFBQHEB-OKILXGFUSA-N

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General description

Desymmetrization of meso-hydrobenzoin using chiral phosphine catalyst has been reported. Conversion of meso-hydrobenzoin to trans-stillbene oxide by treatment with an aryl sulfonyl chloride and aqueous sodium hydroxide has been reported.

Application

meso-Hydrobenzoin has been used in the preparation of trans-methyl meso-hydrobenzoin phosphite.

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Conversion of meso-Hydrobenzoin with Arylsulfonyl Chlorides and Base to trans-Stilbene Oxide and to 1, 1-Diphenyl-2-(p-toluenesulfonyloxy) ethylene1.
Curtin DY and Hendrickson YG.
The Journal of Organic Chemistry, 21(11), 1260-1263 (1956)
E Vedejs et al.
The Journal of organic chemistry, 69(4), 1389-1392 (2004-02-14)
The desymmetrization of meso-hydrobenzoin is described using chiral phosphine catalysts 8b-d and 9-11. The best enantioselectivity at room temperature was obtained with the newly synthesized phospholane 8c and benzoic anhydride, but the reaction is very slow. Much faster reactions, but

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