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578428

(S)-(−)-5,5′,6,6′-Tetramethyl-3,3′-di-tert-butyl-1,1′-biphenyl-2,2′-diol

Name: (<I>S</I>)-(−)-5,5′,6,6′-Tetramethyl-3,3′-di-<I>tert</I>-butyl-1,1′-biphenyl-2,2′-diol
Brand: ALDRICH

97%

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About This Item

Empirical Formula (Hill Notation):

C₂₄H₃₄O₂

CAS Number:

205927-03-3

Molecular Weight:

354.53

UNSPSC Code:

12352002

PubChem Substance ID:

24880926

MDL number:

MFCD01862439

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Properties

assay

97%

form

solid

optical activity

[α]20/D -83±3°, c = 0.4 in THF

mp

170-174 °C

SMILES string

Cc1cc(c(O)c(c1C)-c2c(C)c(C)cc(c2O)C(C)(C)C)C(C)(C)C

InChI

1S/C24H34O2/c1-13-11-17(23(5,6)7)21(25)19(15(13)3)20-16(4)14(2)12-18(22(20)26)24(8,9)10/h11-12,25-26H,1-10H3

InChI key

NMVVBVMYPLMIOU-UHFFFAOYSA-N

Description

General description

(S)-5,5′,6,6′-Tetramethyl-3,3′-di-tert-butyl-1,1′-biphenyl-2,2′-diol, a biphenyl chiral ligand is used to prepare mono- and bidentate phosphites applicable as catalysts in the hydroformylation of allyl cyanide, heterocyclic olefins, and asymmetric hydrogenation of dimethyl itaconate.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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