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Merck
CN

404438

(S,S)-(+)-N,N′-Bis(3,5-di-tert-butylsalicylidene)-1,2-cyclohexanediamine

98%

Synonym(s):

(S,S)-Jacobsen’s ligand

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About This Item

Linear Formula:
[[(CH3)3C]2C6H2-2-(OH)CH=N]2C6H10
CAS Number:
135616-36-3
Molecular Weight:
546.83
UNSPSC Code:
12352116
NACRES:
NA.22
PubChem Substance ID:
24865245
MDL number:
MFCD00191801
Beilstein/REAXYS Number:
5464823

Key Documents

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InChI

1S/C36H54N2O2/c1-33(2,3)25-17-23(31(39)27(19-25)35(7,8)9)21-37-29-15-13-14-16-30(29)38-22-24-18-26(34(4,5)6)20-28(32(24)40)36(10,11)12/h17-22,29-30,39-40H,13-16H2,1-12H3/b37-21+,38-22+/t29-,30-/m0/s1

SMILES string

CC(C)(C)c1cc(\C=N\[C@H]2CCCC[C@@H]2\N=C\c3cc(cc(c3O)C(C)(C)C)C(C)(C)C)c(O)c(c1)C(C)(C)C

InChI key

FYNXDGNCEBQLGC-GTHUDTLPSA-N

assay

98%

optical activity

[α]20/D +315 to 15°, c = 1 in methylene chloride

Quality Level

100

functional group

imine

Related Categories

Application

(S,S)-(+)-N,N′-Bis(3,5-di-tert-butylsalicylidene)-1,2-cyclohexanediamine is a chiral salen-type ligand used for preparing Jacobsen′s catalyst suitable for enantioselective epoxidation of olefins lacking functional groups.

Legal Information

Licensed through Research Corporation Technologies

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
MKCV5054
MKCM1883
MKCK8959
MKCJ8620
MKCG8993

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Chang, S. et al.
Journal of the American Chemical Society, 58, 6939-6939 (1993)
E.N. Jacobsen et al.
Journal of the American Chemical Society, 113, 7063-7063 (1991)
L. Deng et al.
The Journal of Organic Chemistry, 57, 4320-4320 (1992)

Articles

Salen Ligands

The first reports of salen used as ligands with manganese for asymmetric epoxidation reactions.

Salen配体

Salen配体：Jacobsen和Katsuki在1990年分别发表了第一篇关于salen作为锰的配体用于不对称环氧化反应的报道。

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