Carbon Dioxide → 9-Benzoyl-1,2,3,4-tetrahydrocarbazole-3-carboxylic acid

HRID 1605081Notes

Reaction equation

HRID 1605081 reaction equation
[C:1]([N:9]1[C:21]2[CH2:20][CH2:19][C:18](C(O)=O)([C:22]([OH:24])=[O:23])[CH2:17][C:16]=2[C:15]2[C:10]1=[CH:11][CH:12]=[CH:13][CH:14]=2)(=[O:8])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.C(=O)=O>>[C:1]([N:9]1[C:21]2[CH2:20][CH2:19][CH:18]([C:22]([OH:24])=[O:23])[CH2:17][C:16]=2[C:15]2[C:10]1=[CH:11][CH:12]=[CH:13][CH:14]=2)(=[O:8])[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1

Participants

3

Reactant 2

HCID 280Carbon DioxideHCID 215483979-Benzoyl-1,2,3,4-tetrahydrocarbazole-3,3-dicarboxylic acid

Product 1

HCID 538804839-Benzoyl-1,2,3,4-tetrahydrocarbazole-3-carboxylic acid

Procedure

9-Benzoyl-1,2,3,4-tetrahydrocarbazole-3,3-dicarboxylic acid (3.7 g.) was heated at 170°-200°C., till carbon dioxide evolution ceased, to give 2.5 g. of the title compound; m.p. 188°-190°C. (benzene).

Workup

  1. customto give 2.5 g

Sources & evidence

ORD record
ord-fad62b8feab84733bb3dacc706b75849
Source dataset
uspto-grants-1976_04
Patent number
US03948939

Reaction notes

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