2-(5-methyl-2-phenyl-2H-1,2,3-diazaphosphol-4-yl)-2,5-dioxo-4,4-bis(ethoxycarbonyl)benzo[f]-1,3,2-dioxaphosphepine

Base Information

• Chemical Name: 2-(5-methyl-2-phenyl-2H-1,2,3-diazaphosphol-4-yl)-2,5-dioxo-4,4-bis(ethoxycarbonyl)benzo[f]-1,3,2-dioxaphosphepine
• CAS No.: 1365236-98-1
• Molecular Formula: C₂₃H₂₂N₂O₈P₂
• Molecular Weight: 516.384

Synonyms:2-(5-methyl-2-phenyl-2H-1,2,3-diazaphosphol-4-yl)-2,5-dioxo-4,4-bis(ethoxycarbonyl)benzo[f]-1,3,2-dioxaphosphepine

Chemical Property of 2-(5-methyl-2-phenyl-2H-1,2,3-diazaphosphol-4-yl)-2,5-dioxo-4,4-bis(ethoxycarbonyl)benzo[f]-1,3,2-dioxaphosphepine

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Technology Process of 2-(5-methyl-2-phenyl-2H-1,2,3-diazaphosphol-4-yl)-2,5-dioxo-4,4-bis(ethoxycarbonyl)benzo[f]-1,3,2-dioxaphosphepine

There total 3 articles about 2-(5-methyl-2-phenyl-2H-1,2,3-diazaphosphol-4-yl)-2,5-dioxo-4,4-bis(ethoxycarbonyl)benzo[f]-1,3,2-dioxaphosphepine 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: 89.0%

2-(5-methyl-2-phenyl-2H-1,2,3-diazaphosphol-4-yl)-4H-benzo[d]-1,3,2-dioxaphosphorin-4-one (1341235-02-6) + Diethyl ketomalonate (609-09-6) → 2-(5-methyl-2-phenyl-2H-1,2,3-diazaphosphol-4-yl)-2,5-dioxo-4,4-bis(ethoxycarbonyl)benzo[f]-1,3,2-dioxaphosphepine (1365236-98-1)

Guidance literature:

In dichloromethane; at -10 ℃; for 24h;

DOI:10.1080/10426507.2017.1390459

Reference yield:

2-[(trimethylsilyl)oxy]benzoic acid trimethylsilyl ester (3789-85-3) → 2-(5-methyl-2-phenyl-2H-1,2,3-diazaphosphol-4-yl)-2,5-dioxo-4,4-bis(ethoxycarbonyl)benzo[f]-1,3,2-dioxaphosphepine (1365236-98-1)

Guidance literature:

Multi-step reaction with 2 steps

1: dichloromethane / Inert atmosphere

2: dichloromethane / 24 h / -10 °C

In dichloromethane;

DOI:10.1080/10426507.2017.1390459

Reference yield:

4-(dichlorophosphino)-5-methyl-2-phenyl-2H-1,2,3-diazaphosphole (1341235-06-0) → 2-(5-methyl-2-phenyl-2H-1,2,3-diazaphosphol-4-yl)-2,5-dioxo-4,4-bis(ethoxycarbonyl)benzo[f]-1,3,2-dioxaphosphepine (1365236-98-1)

Guidance literature:

Multi-step reaction with 2 steps

1: dichloromethane / Inert atmosphere

2: dichloromethane / 24 h / -10 °C

In dichloromethane;

DOI:10.1080/10426507.2017.1390459

upstream raw materials:

2-(5-methyl-2-phenyl-2H-1,2,3-diazaphosphol-4-yl)-4H-benzo[d]-1,3,2-dioxaphosphorin-4-one

Diethyl ketomalonate

4-(dichlorophosphino)-5-methyl-2-phenyl-2H-1,2,3-diazaphosphole

2-[(trimethylsilyl)oxy]benzoic acid trimethylsilyl ester

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