3,3'-bis(1,1-dimethylethyl)-2,2'-<<3,3',5,5'-tetrakis(1,1-dimethylethyl)-1,1'-biphenyl-2,2'-diyl>bis(oxy)>bis<1,3,2-oxazaphospholidine>-2,2'-dithione

Base Information

Chemical Name:3,3'-bis(1,1-dimethylethyl)-2,2'-<<3,3',5,5'-tetrakis(1,1-dimethylethyl)-1,1'-biphenyl-2,2'-diyl>bis(oxy)>bis<1,3,2-oxazaphospholidine>-2,2'-dithione
CAS No.:140189-31-7
Molecular Formula:C₄₀H₆₆N₂O₄P₂S₂
Molecular Weight:765.055
Hs Code.:

Synonyms:3,3'-bis(1,1-dimethylethyl)-2,2'-<<3,3',5,5'-tetrakis(1,1-dimethylethyl)-1,1'-biphenyl-2,2'-diyl>bis(oxy)>bis<1,3,2-oxazaphospholidine>-2,2'-dithione

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Chemical Property of 3,3'-bis(1,1-dimethylethyl)-2,2'-<<3,3',5,5'-tetrakis(1,1-dimethylethyl)-1,1'-biphenyl-2,2'-diyl>bis(oxy)>bis<1,3,2-oxazaphospholidine>-2,2'-dithione

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Technology Process of 3,3'-bis(1,1-dimethylethyl)-2,2'-<<3,3',5,5'-tetrakis(1,1-dimethylethyl)-1,1'-biphenyl-2,2'-diyl>bis(oxy)>bis<1,3,2-oxazaphospholidine>-2,2'-dithione

There total 5 articles about 3,3'-bis(1,1-dimethylethyl)-2,2'-<<3,3',5,5'-tetrakis(1,1-dimethylethyl)-1,1'-biphenyl-2,2'-diyl>bis(oxy)>bis<1,3,2-oxazaphospholidine>-2,2'-dithione 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: 77.0%

: 113500-40-6,116179-69-2,140385-47-3
3,3'-bis(1,1-dimethylethyl)-2,2'-<<3,3',5,5'-tetrakis(1,1-dimethylethyl)-1,1'-biphenyl-2,2'-diyl>bis(oxy)>bis<1,3,2-oxazaphospholidine>

: 140189-31-7
3,3'-bis(1,1-dimethylethyl)-2,2'-<<3,3',5,5'-tetrakis(1,1-dimethylethyl)-1,1'-biphenyl-2,2'-diyl>bis(oxy)>bis<1,3,2-oxazaphospholidine>-2,2'-dithione

Guidance literature:: With sulfur; In chlorobenzene; at 80 ℃; for 15h;
DOI:10.1002/hlca.19910740605

Reference yield:

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

: 140189-31-7
3,3'-bis(1,1-dimethylethyl)-2,2'-<<3,3',5,5'-tetrakis(1,1-dimethylethyl)-1,1'-biphenyl-2,2'-diyl>bis(oxy)>bis<1,3,2-oxazaphospholidine>-2,2'-dithione

Guidance literature:: Multi-step reaction with 2 steps

1: 1) BuLi / 1) a) hexane b) THF, 25 - 30 deg C c) 30 deg C, 1 h 2) Et₂O, r.t., 40 h

2: 77 percent / sulfur / chlorobenzene / 15 h / 80 °C

With n-butyllithium; sulfur; In chlorobenzene;
DOI:10.1002/hlca.19910740605

Reference yield:

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

: 67105-49-1
3-tert-2-chloro-1,3,2-oxazaphosphacyclopentane

: 140189-31-7
3,3'-bis(1,1-dimethylethyl)-2,2'-<<3,3',5,5'-tetrakis(1,1-dimethylethyl)-1,1'-biphenyl-2,2'-diyl>bis(oxy)>bis<1,3,2-oxazaphospholidine>-2,2'-dithione

Guidance literature:: Multi-step reaction with 2 steps

1.1: n-butyllithium / diethyl ether; hexane; tetrahydrofuran / 1 h / 30 °C / Inert atmosphere; Schlenk technique

1.2: 18 h / 20 °C / Inert atmosphere; Schlenk technique

2.1: sulfur / chlorobenzene / 15 h / 80 °C / Inert atmosphere; Schlenk technique

With n-butyllithium; sulfur; In tetrahydrofuran; diethyl ether; hexane; chlorobenzene;
DOI:10.1002/hlca.19910740605