2,7-diphenyl-3,8-diaza-1,4,6,9-tetraoxa-5-hydrido-5λ⁵-phosphaspiro[4.4]2,3,7,8-nonene

Base Information

• Chemical Name: 2,7-diphenyl-3,8-diaza-1,4,6,9-tetraoxa-5-hydrido-5λ⁵-phosphaspiro[4.4]2,3,7,8-nonene
• CAS No.: 66181-08-6
• Molecular Formula: C₁₄H₁₁N₂O₄P
• Molecular Weight: 302.226
• Mol file: 66181-08-6.mol

Synonyms:2,7-diphenyl-3,8-diaza-1,4,6,9-tetraoxa-5-hydrido-5λ⁵-phosphaspiro[4.4]2,3,7,8-nonene

Chemical Property of 2,7-diphenyl-3,8-diaza-1,4,6,9-tetraoxa-5-hydrido-5λ⁵-phosphaspiro[4.4]2,3,7,8-nonene

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2,7-diphenyl-3,8-diaza-1,4,6,9-tetraoxa-5-hydrido-5λ⁵-phosphaspiro[4.4]2,3,7,8-nonene

There total 3 articles about 2,7-diphenyl-3,8-diaza-1,4,6,9-tetraoxa-5-hydrido-5λ⁵-phosphaspiro[4.4]2,3,7,8-nonene 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: 70.0%

pyrocatechol phosphorochloridite (1641-40-3) + benzhydroxamate de potassium (32685-16-8) → 2,2-'spirobi(1,3,2-benzodioxaphosphole) (181-85-1) + C13H10NO4P (77120-19-5) + 2,7-diphenyl-3,8-diaza-1,4,6,9-tetraoxa-5-hydrido-5λ5-phosphaspiro[4.4]2,3,7,8-nonene (66181-08-6)

Guidance literature:

In diethyl ether; Yield given;

DOI:10.1016/0040-4020(80)80225-0

Reference yield: 62.0%

benzhydroxamic acid (122231-61-2) → 2,7-diphenyl-3,8-diaza-1,4,6,9-tetraoxa-5-hydrido-5λ5-phosphaspiro[4.4]2,3,7,8-nonene (66181-08-6)

Guidance literature:

With phosphonic acid; dicyclohexyl-carbodiimide; In tetrahydrofuran; dichloromethane; at 20 ℃; for 0.5h;

DOI:10.1021/jo951308p

Reference yield:

→ 2,7-diphenyl-3,8-diaza-1,4,6,9-tetraoxa-5-hydrido-5λ5-phosphaspiro[4.4]2,3,7,8-nonene (66181-08-6)

Guidance literature:

Benzhydroxamsaeure I, PCl3;

DOI:10.1002/zaac.19774370107

upstream raw materials:

pyrocatechol phosphorochloridite

benzhydroxamate de potassium

benzhydroxamic acid