Skip to Content
Merck
All Photos(3)

Key Documents

View All Documentation

474592

Sigma-Aldrich

(R,R)-(−)-N,N′-Bis(3,5-di-tert-butylsalicylidene)-1,2-cyclohexanediaminocobalt(II)

Synonym(s):

(R,R)-N,N′-Bis(3,5-di-tert-butylsalicylidene)-1,2-cyclohexanediaminatocobalt(II), (R,R)-Co(salen), (R,R)-Jacobsen HKR catalyst

Sign Into View Organizational & Contract Pricing
All Photos(3)

About This Item

Linear Formula:
[[[(CH3)3C]2C6H2-2-(O-)CH=N]2C6H10]Co
CAS Number:
176763-62-5
Molecular Weight:
603.74
MDL number:
MFCD01631277
UNSPSC Code:
12352001
PubChem Substance ID:
24871023
NACRES:
NA.22

mp

>350 °C (lit.)

Quality Level

100

SMILES string

CC(C)(C)c1cc2C=[N@H]3[C@@H]4CCCC[C@H]4[N@@H]5=Cc6cc(cc(c6O[Co]35Oc2c(c1)C(C)(C)C)C(C)(C)C)C(C)(C)C

InChI

1S/C36H54N2O2.Co/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;/q;+2/p-2/b37-21+,38-22+;/t29-,30-;/m1./s1

InChI key

ZFWPDJKMASHRPT-CITKKJEGSA-L

Application

Catalyst for the hydrolytic kinetic resolution of terminal epoxides and the enantioselective ring opening of meso epoxides.

Pictograms

Health hazardExclamation mark
GHS08,GHS07

Signal Word

Danger

Hazard Statements

H317,H372,H412

Hazard Classifications

Aquatic Chronic 3 - Skin Sens. 1A - STOT RE 1

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
MKCQ1682
MKCP0657
MKBZ7356V
MKBT4727V
MKBL8577V

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

M Tokunaga et al.
Science (New York, N.Y.), 277(5328), 936-938 (1997-08-15)
Epoxides are versatile building blocks for organic synthesis. However, terminal epoxides are arguably the most important subclass of these compounds, and no general and practical method exists for their production in enantiomerically pure form. Terminal epoxides are available very inexpensively
Jacobsen, E.N. et al.
Tetrahedron Letters, 38, 773-773 (1997)

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service