tetrabenzyl 2-(2,2-dimethyl-1,3-dioxane-4,6-dione)ethylene bisphosphonate

Base Information

Chemical Name:tetrabenzyl 2-(2,2-dimethyl-1,3-dioxane-4,6-dione)ethylene bisphosphonate
CAS No.:346722-71-2
Molecular Formula:C₃₆H₃₈O₁₀P₂
Molecular Weight:692.639
Hs Code.:

Synonyms:tetrabenzyl 2-(2,2-dimethyl-1,3-dioxane-4,6-dione)ethylene bisphosphonate

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Chemical Property of tetrabenzyl 2-(2,2-dimethyl-1,3-dioxane-4,6-dione)ethylene bisphosphonate

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Technology Process of tetrabenzyl 2-(2,2-dimethyl-1,3-dioxane-4,6-dione)ethylene bisphosphonate

There total 4 articles about tetrabenzyl 2-(2,2-dimethyl-1,3-dioxane-4,6-dione)ethylene bisphosphonate 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: 98.0%

: 2033-24-1
cycl-isopropylidene malonate

: 346722-70-1
tetrabenzyl ethylidene 1,1-bisphosphonate

: 346722-71-2
tetrabenzyl 2-(2,2-dimethyl-1,3-dioxane-4,6-dione)ethylene bisphosphonate

Guidance literature:: With 1,8-diazabicyclo[5.4.0]undec-7-ene; In tetrahydrofuran; at 20 ℃; for 4h;
DOI:10.1021/jo001489h

Reference yield:

: 133918-47-5
tetrabenzyl methylenediphosphonate

: 346722-71-2
tetrabenzyl 2-(2,2-dimethyl-1,3-dioxane-4,6-dione)ethylene bisphosphonate

Guidance literature:: Multi-step reaction with 3 steps

1: Et₂NH / 120 h / 20 °C

2: 5.10 g / pTSA / toluene / 16 h / Heating

3: 98 percent / DBU / tetrahydrofuran / 4 h / 20 °C

With toluene-4-sulfonic acid; 1,8-diazabicyclo[5.4.0]undec-7-ene; diethylamine; In tetrahydrofuran; toluene;
DOI:10.1021/jo001489h

Reference yield:

: 100-51-6,185532-71-2
benzyl alcohol

: 346722-71-2
tetrabenzyl 2-(2,2-dimethyl-1,3-dioxane-4,6-dione)ethylene bisphosphonate

Guidance literature:: Multi-step reaction with 4 steps

1: 76 percent / pyridine / toluene / 0 - 20 °C

2: Et₂NH / 120 h / 20 °C

3: 5.10 g / pTSA / toluene / 16 h / Heating

4: 98 percent / DBU / tetrahydrofuran / 4 h / 20 °C

With pyridine; toluene-4-sulfonic acid; 1,8-diazabicyclo[5.4.0]undec-7-ene; diethylamine; In tetrahydrofuran; toluene;
DOI:10.1021/jo001489h