4,5-bis-{dibenzo[d,f]-2,4,3',5'-tetra-tert-butyl[1,3,2]dioxaphosphepino}-9,9-dimethyl-9H-xanthene

Base Information

Chemical Name:4,5-bis-{dibenzo[d,f]-2,4,3',5'-tetra-tert-butyl[1,3,2]dioxaphosphepino}-9,9-dimethyl-9H-xanthene
CAS No.:404873-89-8
Molecular Formula:C₇₁H₉₂O₅P₂
Molecular Weight:1087.46
Hs Code.:

Synonyms:4,5-bis-{dibenzo[d,f]-2,4,3',5'-tetra-tert-butyl[1,3,2]dioxaphosphepino}-9,9-dimethyl-9H-xanthene

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Chemical Property of 4,5-bis-{dibenzo[d,f]-2,4,3',5'-tetra-tert-butyl[1,3,2]dioxaphosphepino}-9,9-dimethyl-9H-xanthene

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Technology Process of 4,5-bis-{dibenzo[d,f]-2,4,3',5'-tetra-tert-butyl[1,3,2]dioxaphosphepino}-9,9-dimethyl-9H-xanthene

There total 2 articles about 4,5-bis-{dibenzo[d,f]-2,4,3',5'-tetra-tert-butyl[1,3,2]dioxaphosphepino}-9,9-dimethyl-9H-xanthene 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: 85.0%

: 6390-69-8
3,3',5,5'-tetra(tert-butyl)biphenyl-2,2'-diol

: 349100-75-0
P,P′-(9,9-dimethyl-9H-xanthene-4,5-diyl)bis[N,N,N′,N′-tetraethylphosphonous diamide]

: 404873-89-8
4,5-bis-{dibenzo[d,f]-2,4,3',5'-tetra-tert-butyl[1,3,2]dioxaphosphepino}-9,9-dimethyl-9H-xanthene

Guidance literature:: With 1H-tetrazole; In diethylene glycol dimethyl ether; at 135 ℃; for 96h;
DOI:10.1002/adsc.200303240

Reference yield:

: 19814-75-6
9,9-dimethylxanthene

: 404873-89-8
4,5-bis-{dibenzo[d,f]-2,4,3',5'-tetra-tert-butyl[1,3,2]dioxaphosphepino}-9,9-dimethyl-9H-xanthene

Guidance literature:: Multi-step reaction with 2 steps

1.1: TMEDA; n-BuLi / diethyl ether; hexane / -40 - 20 °C

1.2: 63 percent / pentane; diethyl ether; hexane / -60 - 20 °C

2.1: 85 percent / tetrazole / bis-(2-methoxy-ethyl) ether / 96 h / 135 °C

With 1H-tetrazole; n-butyllithium; N,N,N,N,-tetramethylethylenediamine; In diethyl ether; hexane; diethylene glycol dimethyl ether;
DOI:10.1002/adsc.200303240