(2,3-dihydrothieno[3,4-b][1,4]dioxin-5-yl)diphenylphosphine

Base Information

• Chemical Name: (2,3-dihydrothieno[3,4-b][1,4]dioxin-5-yl)diphenylphosphine
• CAS No.: 853797-50-9
• Molecular Formula: C₁₈H₁₅O₂PS
• Molecular Weight: 326.356
• Mol file: 853797-50-9.mol

Synonyms:(2,3-dihydrothieno[3,4-b][1,4]dioxin-5-yl)diphenylphosphine

Chemical Property of (2,3-dihydrothieno[3,4-b][1,4]dioxin-5-yl)diphenylphosphine

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (2,3-dihydrothieno[3,4-b][1,4]dioxin-5-yl)diphenylphosphine

There total 1 articles about (2,3-dihydrothieno[3,4-b][1,4]dioxin-5-yl)diphenylphosphine which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 78.0%

chloro-diphenylphosphine (1079-66-9,74391-44-9) + 3,4-(ethylenedioxy)thiophene (126213-50-1) → (2,3-dihydrothieno[3,4-b][1,4]dioxin-5-yl)diphenylphosphine (853797-50-9)

Guidance literature:

3,4-(ethylenedioxy)thiophene; With lithium diisopropyl amide; In tetrahydrofuran; at 0 ℃; for 3h; Inert atmosphere;

chloro-diphenylphosphine; In tetrahydrofuran; at -78 ℃; for 2h; Inert atmosphere;

DOI:10.1039/b817210b

Reference yield: 43.0%

(2,3-dihydrothieno[3,4-b][1,4]dioxin-5-yl)diphenylphosphine (853797-50-9) + cis-tetracarbonylbis(piperidine)molybdenum (59967-36-1,65337-26-0) → cis-Mo(CO)4((3,4-ethylenedioxy-2-thienyl)diphenylphosphine)2 (853797-55-4)

Guidance literature:

In dichloromethane; under Ar; soln. of ligand (2 equiv.) in CH2Cl2 added dropwise to stirredslurry of Mo complex in CH2Cl2 at room temp.; stirred overnight; filtered through pad of silica gel; filtrate concd.; pentane added; ppt.isolated; elem. anal.;

DOI:10.1139/v05-004

upstream raw materials:

chloro-diphenylphosphine

3,4-(ethylenedioxy)thiophene

Downstream raw materials:

cis-Mo(CO)4((3,4-ethylenedioxy-2-thienyl)diphenylphosphine)2

Refernces

• 1、 Velauthamurty, Kuhamoorthy,Higgins, Simon J.,Rajapakse, R. M. Gamini,Bacsa, John,Van Zalinge, Harm,Nichols, Richard J.,Haiss, Wolfgang. "Synthesis and characterization of monomeric and polymeric Pd(II) and Pt(II) complexes of 3,4-ethylenedioxythiophene-functionalized phosphine ligands". experimental part. p. 1850 - 1858. Retrieved 2010/03/02.