3',3'-dimethyl-1,4',4'-triphenyl-1H-spiro[2,1-benzazaphosphole-1,2'-[1,2]oxaphosphetan]-3(2H)-one

Base Information

• Chemical Name: 3',3'-dimethyl-1,4',4'-triphenyl-1H-spiro[2,1-benzazaphosphole-1,2'-[1,2]oxaphosphetan]-3(2H)-one
• CAS No.: 1415025-87-4
• Molecular Formula: C₂₉H₂₆NO₂P
• Molecular Weight: 451.505

Synonyms:3',3'-dimethyl-1,4',4'-triphenyl-1H-spiro[2,1-benzazaphosphole-1,2'-[1,2]oxaphosphetan]-3(2H)-one

Chemical Property of 3',3'-dimethyl-1,4',4'-triphenyl-1H-spiro[2,1-benzazaphosphole-1,2'-[1,2]oxaphosphetan]-3(2H)-one

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Technology Process of 3',3'-dimethyl-1,4',4'-triphenyl-1H-spiro[2,1-benzazaphosphole-1,2'-[1,2]oxaphosphetan]-3(2H)-one

There total 1 articles about 3',3'-dimethyl-1,4',4'-triphenyl-1H-spiro[2,1-benzazaphosphole-1,2'-[1,2]oxaphosphetan]-3(2H)-one 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: 85.0%

benzophenone (119-61-9) + P,P-diphenyl-P-(1-methylethyl)(N-methoxycabonyl)phosphazene (347192-81-8) → 3',3'-dimethyl-1,4',4'-triphenyl-1H-spiro[2,1-benzazaphosphole-1,2'-[1,2]oxaphosphetan]-3(2H)-one (1415025-87-4)

Guidance literature:

P,P-diphenyl-P-(1-methylethyl)(N-methoxycabonyl)phosphazene; With tert.-butyl lithium; In tetrahydrofuran; cyclohexane; at -35 ℃; for 0.5h; Inert atmosphere;

benzophenone; In tetrahydrofuran; cyclohexane; at -95 ℃; for 2.5h; Inert atmosphere;

DOI:10.1021/ja307330c

Reference yield: 100.0%

3',3'-dimethyl-1,4',4'-triphenyl-1H-spiro[2,1-benzazaphosphole-1,2'-[1,2]oxaphosphetan]-3(2H)-one (1415025-87-4) → 2-methyl-1,1-diphenylpropene (781-33-9) + (S)-1-phenyl-2-hydrobenzo[c][1,2]azaphosphol-3-one 1-oxide (1415025-89-6)

Guidance literature:

In dimethylsulfoxide-d6; at 140 ℃; for 14h; Time; Temperature; Kinetics;

DOI:10.1021/ja307330c

Reference yield: 94.0%

3',3'-dimethyl-1,4',4'-triphenyl-1H-spiro[2,1-benzazaphosphole-1,2'-[1,2]oxaphosphetan]-3(2H)-one (1415025-87-4) → (S)-1-phenyl-2-hydrobenzo[c][1,2]azaphosphol-3-one 1-oxide (1415025-89-6)

Guidance literature:

In dimethylsulfoxide-d6; at 140 ℃; for 12h; Temperature;

DOI:10.1021/acs.joc.0c01270

upstream raw materials:

benzophenone

P,P-diphenyl-P-(1-methylethyl)(N-methoxycabonyl)phosphazene

Downstream raw materials:

2-methyl-1,1-diphenylpropene

(S)-1-phenyl-2-hydrobenzo[c][1,2]azaphosphol-3-one 1-oxide

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