Skip to Content
MilliporeSigma
All Photos(2)

Documents

376965

Sigma-Aldrich

2,7-Di-tert-butyl-9,9-dimethylxanthene

97%

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C23H30O
CAS Number:
Molecular Weight:
322.48
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

assay

97%

mp

188-192 °C (lit.)

SMILES string

CC(C)(C)c1ccc2Oc3ccc(cc3C(C)(C)c2c1)C(C)(C)C

InChI

1S/C23H30O/c1-21(2,3)15-9-11-19-17(13-15)23(7,8)18-14-16(22(4,5)6)10-12-20(18)24-19/h9-14H,1-8H3

InChI key

COCYABCDIOEUAC-UHFFFAOYSA-N

General description

Synthesis of a new series of diphosphine ligands based on 2,7-di-tert-butyl-9,9-dimethylxanthene has been reported.

Application

2,7-Di-tert-butyl-9,9-dimethylxanthene may be used in the preparation of 4,5-diamino-9,9′-dimethylxanthene.

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

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

Visit the Document Library

Phenoxaphosphine-Based diphosphine ligands. synthesis and application in the hydroformylation reaction.
Zuidema E, et al.
Organometallics, 29(5), 1210-1221 (2010)
Selective acylation of 4, 5-diamino-9, 9'-dimethylxanthene through an aggregation effect.
Mu?iz FM, et al.
Tetrahedron Letters, 49(5), 790-793 (2008)
Antra Ganguly et al.
SLAS technology, 25(1), 25-32 (2019-10-17)
Misclassification of an acute disease condition as chronic and vice versa by electrochemical sweat biomarker sensors can cause significant psychological, emotional, and financial stress among patients. To achieve higher accuracy in distinguishing between a chronic condition and an acute condition

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