4-Phenyl-1,3,5,7-tetramethyl-1,3,5,7-tetraaza-2λ⁵-phosphaspiro<3.3>heptan-2,6-dion

Base Information

• Chemical Name: 4-Phenyl-1,3,5,7-tetramethyl-1,3,5,7-tetraaza-2λ⁵-phosphaspiro<3.3>heptan-2,6-dion
• CAS No.: 74411-89-5
• Molecular Formula: C₁₂H₁₇N₄O₂P
• Molecular Weight: 280.266

Synonyms:4-Phenyl-1,3,5,7-tetramethyl-1,3,5,7-tetraaza-2λ⁵-phosphaspiro<3.3>heptan-2,6-dion

Chemical Property of 4-Phenyl-1,3,5,7-tetramethyl-1,3,5,7-tetraaza-2λ⁵-phosphaspiro<3.3>heptan-2,6-dion

Chemical Property:

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Technology Process of 4-Phenyl-1,3,5,7-tetramethyl-1,3,5,7-tetraaza-2λ⁵-phosphaspiro<3.3>heptan-2,6-dion

There total 3 articles about 4-Phenyl-1,3,5,7-tetramethyl-1,3,5,7-tetraaza-2λ⁵-phosphaspiro<3.3>heptan-2,6-dion 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: 75.0%

1,3,5,7-Tetramethyl-4,8-diphenyl-1,3,5,7-tetraaza-4λ5,8λ3-diphosphaspiro<3.4>octan-2,6-dion (74411-88-4) → 4-Phenyl-1,3,5,7-tetramethyl-1,3,5,7-tetraaza-2λ5-phosphaspiro<3.3>heptan-2,6-dion (74411-89-5)

Guidance literature:

With phosphorus pentachloride; In tetrachloromethane; Heating;

Reference yield: 6.0%

N,N'-Dimethylurea (96-31-1) + 2,2-Dichlor-1,3-dimethyl-2-phenyl-2λ5-phosphetidin-4-on (131561-32-5) → P,P-dichlorophenylphosphine oxide (824-72-6) + 1,3 Dimethyl-2-phenyl-1,3,2-diazaphosphetidin-4-on-2-oxid (126695-50-9) + 4-Phenyl-1,3,5,7-tetramethyl-1,3,5,7-tetraaza-2λ5-phosphaspiro<3.3>heptan-2,6-dion (74411-89-5)

Guidance literature:

With triethylamine; In dichloromethane; toluene; at 0 ℃; for 4h;

Reference yield:

Dichlorophenylphosphine (644-97-3) → 4-Phenyl-1,3,5,7-tetramethyl-1,3,5,7-tetraaza-2λ5-phosphaspiro<3.3>heptan-2,6-dion (74411-89-5)

Guidance literature:

Multi-step reaction with 2 steps

1: 71 percent / CCl₄

2: 75 percent / PCl₅ / CCl₄ / Heating; var. spirobicyclic phosphoranes

With phosphorus pentachloride; In tetrachloromethane;

upstream raw materials:

N,N'-Dimethylurea

2,2-Dichlor-1,3-dimethyl-2-phenyl-2λ⁵-phosphetidin-4-on

1,3,5,7-Tetramethyl-4,8-diphenyl-1,3,5,7-tetraaza-4λ⁵,8λ³-diphosphaspiro<3.4>octan-2,6-dion

Dichlorophenylphosphine

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