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256277

Sigma-Aldrich

(R,R)-(+)-Hydrobenzoin

99%, optical purity ee: 99% (HPLC)

Synonym(s):
(R,R)-1,2-Diphenyl-1,2-ethanediol, (R,R)-1,2-Diphenylethylene glycol
Linear Formula:
C6H5CH(OH)CH(OH)C6H5
CAS Number:
Molecular Weight:
214.26
Beilstein:
2050815
MDL number:
PubChem Substance ID:
NACRES:
NA.22

assay

99%

form

solid

optical activity

[α]28/D +93°, c = 2.5 in ethanol

optical purity

ee: 99% (HPLC)

mp

146-149 °C (lit.)

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-/m1/s1

InChI key

IHPDTPWNFBQHEB-ZIAGYGMSSA-N

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General description

(R,R)-(+)-Hydrobenzoin is a chiral 1,2-diol useful as a chiral reagent, building block, ligand or auxiliary in asymmetric synthesis.

Application

(R,R)-(+)-Hydrobenzoin may be used in the oxyselenenylation step in the multi-step synthesis of cyclopentitols and aminocyclopentitols from cyclopentene. It may also be used as a ligand for the asymmetric addition of diethylzinc to aldehydes in the presence or absence of titanium tetra-isopropoxide to form (R)- or (S)-form of the corresponding secondary alcohol, respectively.

Packaging

5, 25 g in glass bottle

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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