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Dicyclohexylcarbodiimide → 8-[4-(6-Chloro-1H-indol-3-yl)-1,2,3,6-tetrahydropyridin-1-ylcarbonyl]-3,6,7,8-tetrahydrocyclopent[e]indole

HRID 1385070
Notes
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Reaction equation

HRID 1385070 reaction equation
[CH:1]1[C:9]2[C:8]3[CH:10]([C:13]([OH:15])=O)[CH2:11][CH2:12][C:7]=3[CH:6]=[CH:5][C:4]=2[NH:3][CH:2]=1.[Cl:16][C:17]1[CH:25]=[C:24]2[C:20]([C:21]([C:26]3[CH2:27][CH2:28][NH:29][CH2:30][CH:31]=3)=[CH:22][NH:23]2)=[CH:19][CH:18]=1.C1(N=C=NC2CCCCC2)CCCCC1>CN(C)C1C=CN=CC=1.C1COCC1>[Cl:16][C:17]1[CH:25]=[C:24]2[C:20]([C:21]([C:26]3[CH2:27][CH2:28][N:29]([C:13]([CH:10]4[C:8]5[C:9]6[CH:1]=[CH:2][NH:3][C:4]=6[CH:5]=[CH:6][C:7]=5[CH2:12][CH2:11]4)=[O:15])[CH2:30][CH:31]=3)=[CH:22][NH:23]2)=[CH:19][CH:18]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 10868DicyclohexylcarbodiimideHCID 100598546-chloro-3-(1,2,3,6-tetrahydropyridin-4-yl)-1H-indoleHCID 185458923,6,7,8-Tetrahydrocyclopent[e]indole-8-carboxylic acid

Product 1

HCID 185457998-[4-(6-Chloro-1H-indol-3-yl)-1,2,3,6-tetrahydropyridin-1-ylcarbonyl]-3,6,7,8-tetrahydrocyclopent[e]indoleYield 38.5%

Reagents, catalysts & solvents 2

HCID 14284
4-(Dimethylamino)pyridine
Catalyst
HCID 8028TetrahydrofuranSolvent

Procedure

A solution of 14a (1.4 g), 6-chloro-3-(1,2,3,6-tetrahydropyridin-4-yl)-1-H-indole (1.6 g), dicyclohexylcarbodiimid (1.9 g), and 4-dimethylaminopyridine (0.1 g) in THF (100 ml) was stirred for 24 hours at room temperature. The mixture was filtered and evaporated in vacuo. The residue was purified on silica gel eluted with ethyl acetate-heptane (3:2) giving 1.1 g of the title product as an amorpheous powder.

Workup

  1. filtrationThe mixture was filtered
  2. customevaporated in vacuo
  3. customThe residue was purified on silica gel
  4. washeluted with ethyl acetate-heptane (3:2)

Sources & evidence

ORD record
ord-c357f3702d8f42afacc43c7139e257ac
Source dataset
uspto-grants-2001_07
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06262087B1

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes