(3aR,6aR,3a'S,6a'S)-5,5'-[methylenebis(4,1-phenylene)]bis[3a,6a-dihydro-3-(4-methylphenyl)-1-phenylpyrrolo[3,4-c]pyrazole-4,6(1H,5H)-dione]

Base Information

Chemical Name:(3aR,6aR,3a'S,6a'S)-5,5'-[methylenebis(4,1-phenylene)]bis[3a,6a-dihydro-3-(4-methylphenyl)-1-phenylpyrrolo[3,4-c]pyrazole-4,6(1H,5H)-dione]
CAS No.:1251004-73-5
Molecular Formula:C₄₉H₃₈N₆O₄
Molecular Weight:774.879
Hs Code.:

Synonyms:(3aR,6aR,3a'S,6a'S)-5,5'-[methylenebis(4,1-phenylene)]bis[3a,6a-dihydro-3-(4-methylphenyl)-1-phenylpyrrolo[3,4-c]pyrazole-4,6(1H,5H)-dione]

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Chemical Property of (3aR,6aR,3a'S,6a'S)-5,5'-[methylenebis(4,1-phenylene)]bis[3a,6a-dihydro-3-(4-methylphenyl)-1-phenylpyrrolo[3,4-c]pyrazole-4,6(1H,5H)-dione]

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Technology Process of (3aR,6aR,3a'S,6a'S)-5,5'-[methylenebis(4,1-phenylene)]bis[3a,6a-dihydro-3-(4-methylphenyl)-1-phenylpyrrolo[3,4-c]pyrazole-4,6(1H,5H)-dione]

There total 3 articles about (3aR,6aR,3a'S,6a'S)-5,5'-[methylenebis(4,1-phenylene)]bis[3a,6a-dihydro-3-(4-methylphenyl)-1-phenylpyrrolo[3,4-c]pyrazole-4,6(1H,5H)-dione] 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: 100.0%

: 13676-54-5,35325-39-4
1,1'-(methylenedi-4,1-phenylene)bismaleimide

: 25939-01-9
p-toluoyl chloride phenylhydrazone

: 1251004-73-5
(3aR,6aR,3a'S,6a'S)-5,5'-[methylenebis(4,1-phenylene)]bis[3a,6a-dihydro-3-(4-methylphenyl)-1-phenylpyrrolo[3,4-c]pyrazole-4,6(1H,5H)-dione]

Guidance literature:: With triethylamine; In acetonitrile; at 20 ℃;
DOI:10.1007/s00706-010-0351-z

Reference yield:

: 101-77-9
4,4'-diamino diphenyl methane

: 1251004-73-5
(3aR,6aR,3a'S,6a'S)-5,5'-[methylenebis(4,1-phenylene)]bis[3a,6a-dihydro-3-(4-methylphenyl)-1-phenylpyrrolo[3,4-c]pyrazole-4,6(1H,5H)-dione]

Guidance literature:: Multi-step reaction with 2 steps

1.1: acetone / 2 h / 20 °C

1.2: 0.5 h / 95 - 100 °C

2.1: triethylamine / acetonitrile / 20 °C

With triethylamine; In acetone; acetonitrile;
DOI:10.1007/s00706-010-0351-z

Reference yield:

: 2829-25-6
4-methylbenzaldehyde phenylhydrazone

: 1251004-73-5
(3aR,6aR,3a'S,6a'S)-5,5'-[methylenebis(4,1-phenylene)]bis[3a,6a-dihydro-3-(4-methylphenyl)-1-phenylpyrrolo[3,4-c]pyrazole-4,6(1H,5H)-dione]

Guidance literature:: Multi-step reaction with 2 steps

1: N-chloro-succinimide; dimethylsulfide / dichloromethane / -40 - 0 °C

2: triethylamine / acetonitrile / 20 °C

With N-chloro-succinimide; dimethylsulfide; triethylamine; In dichloromethane; acetonitrile;
DOI:10.1007/s00706-010-0351-z