1-(4-Bromo-phenyl)-3,3a-diphenyl-3a,6-dihydro-1H-pyrrolo[1,2-c][1,2,3]triazole-4,5-dicarboxylic acid dimethyl ester

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Chemical Name:1-(4-Bromo-phenyl)-3,3a-diphenyl-3a,6-dihydro-1H-pyrrolo[1,2-c][1,2,3]triazole-4,5-dicarboxylic acid dimethyl ester
CAS No.:180779-87-7
Molecular Formula:C₂₇H₂₂BrN₃O₄
Molecular Weight:532.393
Hs Code.:

Synonyms:1-(4-Bromo-phenyl)-3,3a-diphenyl-3a,6-dihydro-1H-pyrrolo[1,2-c][1,2,3]triazole-4,5-dicarboxylic acid dimethyl ester

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Chemical Property of 1-(4-Bromo-phenyl)-3,3a-diphenyl-3a,6-dihydro-1H-pyrrolo[1,2-c][1,2,3]triazole-4,5-dicarboxylic acid dimethyl ester

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Technology Process of 1-(4-Bromo-phenyl)-3,3a-diphenyl-3a,6-dihydro-1H-pyrrolo[1,2-c][1,2,3]triazole-4,5-dicarboxylic acid dimethyl ester

There total 3 articles about 1-(4-Bromo-phenyl)-3,3a-diphenyl-3a,6-dihydro-1H-pyrrolo[1,2-c][1,2,3]triazole-4,5-dicarboxylic acid dimethyl ester 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: 32.0%

: 762-42-5
dimethyl acetylenedicarboxylate

: 199450-68-5
2-(4-Bromo-phenyl)-3-methyl-4,5-diphenyl-3,4-dihydro-2H-[1,2,3]triazole-4-carbonitrile

: 18411-25-1
2-(4-bromophenyl)-4,5-diphenyl-2H-1,2,3-triazole

: 130720-51-3
2-(4-Bromo-phenyl)-5,6-diphenyl-2,3-dihydro-[1,2,4]triazine

: 130720-57-9
(4-Bromo-phenyl)-(4,5-diphenyl-imidazol-1-yl)-amine

: 180779-87-7
1-(4-Bromo-phenyl)-3,3a-diphenyl-3a,6-dihydro-1H-pyrrolo[1,2-c][1,2,3]triazole-4,5-dicarboxylic acid dimethyl ester

Guidance literature:: In dichloromethane; 1.) 0 deg C, 2.) r.t.;
DOI:10.1039/a701233k

Reference yield:

: 18411-25-1
2-(4-bromophenyl)-4,5-diphenyl-2H-1,2,3-triazole

: 180779-87-7
1-(4-Bromo-phenyl)-3,3a-diphenyl-3a,6-dihydro-1H-pyrrolo[1,2-c][1,2,3]triazole-4,5-dicarboxylic acid dimethyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: 5 h / 100 °C

2: CsF, dimethyl acetylenedicarboxylate / CH₂Cl₂ / 8 h / Ambient temperature

With dimethyl acetylenedicarboxylate; cesium fluoride; In dichloromethane;
DOI:10.1039/P19940001653

Reference yield:

: 762-42-5
dimethyl acetylenedicarboxylate

: Trifluoro-methanesulfonate2-(4-bromo-phenyl)-4,5-diphenyl-1-trimethylsilanylmethyl-2H-[1,2,3]triazol-1-ium;

: 130720-51-3
2-(4-Bromo-phenyl)-5,6-diphenyl-2,3-dihydro-[1,2,4]triazine

: 130720-57-9
(4-Bromo-phenyl)-(4,5-diphenyl-imidazol-1-yl)-amine

: 180779-87-7
1-(4-Bromo-phenyl)-3,3a-diphenyl-3a,6-dihydro-1H-pyrrolo[1,2-c][1,2,3]triazole-4,5-dicarboxylic acid dimethyl ester

Guidance literature:: With cesium fluoride; In dichloromethane; for 8h; Yield given. Yields of byproduct given; Ambient temperature;
DOI:10.1039/P19940001653