CAS 161265-03-8

1,1′-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis[1,1-diphenylphosphine]

Description:

1,1′-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis[1,1-diphenylphosphine], with CAS number 161265-03-8, is a chemical compound characterized by its unique structure that includes a xanthene core and two diphenylphosphine groups. This compound is notable for its potential applications in organometallic chemistry and catalysis, particularly in processes involving transition metals. The presence of the diphenylphosphine moieties contributes to its properties as a ligand, enhancing the stability and reactivity of metal complexes. Additionally, the dimethyl substitution on the xanthene framework can influence the electronic properties and steric hindrance, affecting its interactions in various chemical environments. The compound is typically synthesized through specific organic reactions that allow for the formation of the xanthene structure and subsequent attachment of the phosphine groups. Its solubility and reactivity can vary depending on the solvent and conditions used, making it a versatile compound in research and industrial applications. Safety data and handling precautions should be observed, as with all chemical substances, to ensure safe usage in laboratory settings.

Formula: C₃₉H₃₂OP₂

InChI: InChI=1/C39H32OP2/c1-39(2)33-25-15-27-35(41(29-17-7-3-8-18-29)30-19-9-4-10-20-30)37(33)40-38-34(39)26-16-28-36(38)42(31-21-11-5-12-22-31)32-23-13-6-14-24-32/h3-28H,1-2H3

InChI key: InChIKey=CXNIUSPIQKWYAI-UHFFFAOYSA-N

SMILES: P(C1=C2C(C(C)(C)C=3C(O2)=C(P(C4=CC=CC=C4)C5=CC=CC=C5)C=CC3)=CC=C1)(C6=CC=CC=C6)C7=CC=CC=C7

Synonyms:

• (5-Diphenylphosphanyl-9,9-dimethylxanthen-4-yl)-diphenylphosphane
• (9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(diphenylphosphine)
• (9,9-Dimethyl-9H-xanthene-4,5-diyl)bis[diphenyl phosphine]
• (9,9-dimethyl-9H-xanthene-4,5-diyl)bis(diphenylphosphane)
• 1,1′-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis[1,1-diphenylphosphine]
• 4,5-Bis(diphenylphosphino)-9,9-dimethyl-9H-xanthene
• 4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene
• 4,5-Bis-Diphenylphosphanyl-9,9-Dimethyl-9H-Xanthene
• 9,9-Dimethyl-4,5-bis(diphenylphosphino)-9H-xanthene
• 9,9-Dimethyl-4,5-bis(diphenylphosphino)xanthenes
• Dimethylbisdiphenylphosphinoxanthene
• Phosphine, (9,9-dimethyl-9H-xanthene-4,5-diyl)bis[diphenyl-
• Phosphine, 1,1′-(9,9-dimethyl-9H-xanthene-4,5-diyl)bis[1,1-diphenyl-
• Xant-phos
• Xantphos
• 9,9-DIMETHYL-4,5-BIS(DIPHENYLPHOSPHINO)XANTHENE
• 9,10a-dihydro-9,9-dimethyl-4,5-bis(diphenylphosphino)-8aH-xanthene
• 9,9-Dimethyl m-4,5-bis(Diphenylphosphino)xanthene
• 9,9-Dimethyl-4,5-bis(diphenylphosphino)xanthene 99%
• 9,9-DIMETHYL-4,5-BIS(DIPHENYLPHOSPHINO)XANTHENE99%
• 4,5-Bis(diphenylphospheno)-9,9-dimethyl
• 4,5-Bis(diphenylphosphino)-9,9
• 9,9-Dimethyl-4,5-bis(diphenylphosphino)xanthene, XANTPHOS
• 4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene ,98%
• 9,9-Dimethyl-4,5-bis(diphenylphosphino)xanthene,min.98%XANTPHOS

4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene

CAS: 161265-03-8

Formula: C₃₉H₃₂OP₂

Purity: >98.0%(GC)

Color and Shape: White to Light yellow powder to crystal

Molecular weight: 578.63

Ref: 3B-B2709

4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene, 97%

CAS: 161265-03-8

4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene, 97%, Thermo Scientific Chemicals

Formula: C₃₉H₃₂OP₂

Purity: 97%

Color and Shape: Powder, White

Molecular weight: 578.63

Ref: 02-H26241

9,9-Dimethyl-4,5-bis(diphenyl­phosphino)xanthene, min. 98% XANTPHOS

CAS: 161265-03-8

9,9-Dimethyl-4,5-bis(diphenylphosphino)xanthene, min. 98% XANTPHOS

Formula: C₃₉H₃₂OP₂

Purity: min. 98%

Color and Shape: light-yellow xtl.

Molecular weight: 578.63

Ref: 08-15-1242

Xantphos

CAS: 161265-03-8

Xantphos

Formula: C₃₉H₃₂OP₂

Purity: ≥98%

Color and Shape: Solid

Molecular weight: 578.62

Ref: 54-BUP17302

4,5-Bis(diphenylphosphino)-9,9-dimethyl-9H-xanthene

CAS: 161265-03-8

4,5-Bis(diphenylphosphino)-9,9-dimethyl-9H-xanthene

Formula: C₃₉H₃₂OP₂

Purity: ≥95%

Color and Shape: White Solid-Powder

Molecular weight: 578.6183

Ref: 54-OR42230

Phosphine, 1,1'-(9,9-dimethyl-9H-xanthene-4,5-diyl)bis[1,1-diphenyl-

CAS: 161265-03-8

Formula: C₃₉H₃₂OP₂

Purity: 98%

Color and Shape: Solid

Molecular weight: 578.6183

Ref: IN-DA001SA9

Xantphos

CAS: 161265-03-8

Xantphos, a ligand in the coupling reaction of Buchwald, Suzuki and others, is a metal chelating ligand that can be used to catalyze the reaction.

Formula: C₃₉H₃₂OP₂

Purity: 99.47%

Color and Shape: White To Light Yellow Crystals

Molecular weight: 578.62

Ref: TM-T19936

4,5-Bis(diphenylphospheno)-9,9-dimethylxanthene

CAS: 161265-03-8

Formula: C₃₉H₃₂OP₂

Purity: 95.0%

Color and Shape: Solid, Powder or Crystalline Powder

Molecular weight: 578.632

Ref: 10-F036098

Xantphos (HPMC encapsulated)

CAS: 161265-03-8

Formula: C₃₉H₃₂OP₂

Color and Shape: White to Almost white capsule

Molecular weight: 578.63

Ref: 3B-R0300

(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(diphenylphosphine)

CAS: 161265-03-8

Formula: C₃₉H₃₂OP₂

Purity: ≥ 97.5%

Color and Shape: White to off-white, pale yellow or beige powder or crystals

Molecular weight: 578.62

Ref: 7W-GK9183

Xantphos

CAS: 161265-03-8

Formula: C₃₉H₃₂OP₂

Molecular weight: 578.63

Ref: 4Z-X-018001

9,9-Dimethyl-4,5-bis(diphenylphosphino)xanthene

CAS: 161265-03-8

9,9-Dimethyl-4,5-bis(diphenylphosphino)xanthene is a chelate ligand that is used in the coordination of palladium. It has been shown to be a good ligand for the synthesis of highly active catalysts for various chemical reactions. 9,9-Dimethyl-4,5-bis(diphenylphosphino)xanthene binds to metal complexes in an octahedral geometry to form a planar structure with an average distance between nitrogen atoms of 2.1 Å and a coordination number of six. The x-ray crystal structures show that the phosphine groups are coplanar and the phenyl groups are coplanar within each ring plane. The calculated activation energies for different reaction pathways range from 12 kJ/mol to 14 kJ/mol.

Formula: C₃₉H₃₂OP₂

Purity: Min. 98 Area-%

Color and Shape: Powder

Molecular weight: 578.62 g/mol

Ref: 3D-FD31330

XantPhos (4,5-Bis(Diphenylphosphino)-9,9-Dimethylxanthine) extrapure, 98%

CAS: 161265-03-8

Formula: C₃₉H₃₂OP₂

Purity: min. 98%

Color and Shape: White to pale yellow, Powder

Molecular weight: 578.62

Ref: SR-55962

1,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis[1,1-diphenyl-phosphine

Controlled Product

CAS: 161265-03-8

Applications 1,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis[1,1-diphenyl-phosphine is an organophosphorus compound derived from the heterocycle xanthene. It is used as a bidentate ligand and is noteworthy for having a particularly wide bite angle. Such ligands are useful in the hydroformylation of alkenes.
References Leeuwen, P., et al.: Chem. Rev., 100, 2741 (2000); Yuki, Y., et al.: J. Am. Chem. Soc., 135, 17393 (2013); Makado, G., et al.: Adv. Synth. Catal., 352, 299 (2010)

Formula: C₃₉H₃₂OP₂

Color and Shape: Neat

Molecular weight: 578.62

Ref: TR-D479665