7,7,16,16-Tetrabenzyl-<18>-1,4,10,13-tetraoxa-7,16-diphosphoniumdibromid-kronenether

Base Information

Chemical Name:7,7,16,16-Tetrabenzyl-<18>-1,4,10,13-tetraoxa-7,16-diphosphoniumdibromid-kronenether
CAS No.:143251-95-0
Molecular Formula:2Br*C₄₀H₅₂O₄P₂
Molecular Weight:818.606
Hs Code.:

Synonyms:7,7,16,16-Tetrabenzyl-<18>-1,4,10,13-tetraoxa-7,16-diphosphoniumdibromid-kronenether

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Chemical Property of 7,7,16,16-Tetrabenzyl-<18>-1,4,10,13-tetraoxa-7,16-diphosphoniumdibromid-kronenether

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Technology Process of 7,7,16,16-Tetrabenzyl-<18>-1,4,10,13-tetraoxa-7,16-diphosphoniumdibromid-kronenether

There total 6 articles about 7,7,16,16-Tetrabenzyl-<18>-1,4,10,13-tetraoxa-7,16-diphosphoniumdibromid-kronenether 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: 61.0%

: 31255-10-4
1,2-bis-(2-bromo-ethoxy)-ethane

: 143251-94-9
[ethane-1,2-diylbis(oxyethane-2,1-diyl)]bis[dibenzylphosphine]

: 143251-95-0
7,7,16,16-Tetrabenzyl-<18>-1,4,10,13-tetraoxa-7,16-diphosphoniumdibromid-kronenether

Guidance literature:: In acetonitrile; for 48h; Heating;
DOI:10.1002/1522-2675(200206)85:6<1714::AID-HLCA1714>3.0.CO;2-8

Reference yield:

: 31255-10-4
1,2-bis-(2-bromo-ethoxy)-ethane

: 143251-95-0
7,7,16,16-Tetrabenzyl-<18>-1,4,10,13-tetraoxa-7,16-diphosphoniumdibromid-kronenether

Guidance literature:: Multi-step reaction with 4 steps

1: 89 percent / acetonitrile / 48 h / Heating

2: 61 percent / NaOH / CH₂Cl₂; H₂O / 20 °C

3: CeCl₃; LiAlH₄ / tetrahydrofuran / 24 h / 0 °C

4: 61 percent / acetonitrile / 48 h / Heating

With sodium hydroxide; lithium aluminium tetrahydride; cerium(III) chloride; In tetrahydrofuran; dichloromethane; water; acetonitrile; 2: Wittig reaction;
DOI:10.1002/1522-2675(200206)85:6<1714::AID-HLCA1714>3.0.CO;2-8

Reference yield:

: 143251-93-8
[ethane-1,2-diylbis(oxyethane-2,1-diyl)]bis[tribenzylphosphonium] dibromide

: 143251-95-0
7,7,16,16-Tetrabenzyl-<18>-1,4,10,13-tetraoxa-7,16-diphosphoniumdibromid-kronenether

Guidance literature:: Multi-step reaction with 3 steps

1: 61 percent / NaOH / CH₂Cl₂; H₂O / 20 °C

2: CeCl₃; LiAlH₄ / tetrahydrofuran / 24 h / 0 °C

3: 61 percent / acetonitrile / 48 h / Heating

With sodium hydroxide; lithium aluminium tetrahydride; cerium(III) chloride; In tetrahydrofuran; dichloromethane; water; acetonitrile; 1: Wittig reaction;
DOI:10.1002/1522-2675(200206)85:6<1714::AID-HLCA1714>3.0.CO;2-8