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Diethylene Glycol Monoethyl Ether → HCID 21243293, compound

HRID 649642
Notes
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Reaction equation

HRID 649642 reaction equation
[C:1]([C:4]1[CH:5]=[C:6]2[C:10](=[CH:11][CH:12]=1)[NH:9][CH:8]=[C:7]2[CH2:13][CH2:14][CH2:15][CH2:16][N:17]1[CH2:22][CH2:21][C:20]2[C:23]3[CH:29]=[CH:28][CH:27]=[CH:26][C:24]=3[O:25][C:19]=2[CH2:18]1)(=[O:3])N.[OH-].[Na+].C([O:34]CCOCCO)C>O>[C:1]([C:4]1[CH:5]=[C:6]2[C:10](=[CH:11][CH:12]=1)[NH:9][CH:8]=[C:7]2[CH2:13][CH2:14][CH2:15][CH2:16][N:17]1[CH2:18][CH2:19][C:20]2[C:23]3[CH:29]=[CH:28][CH:27]=[CH:26][C:24]=3[O:25][C:21]=2[CH2:22]1)([OH:3])=[O:34]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 8146Diethylene Glycol Monoethyl EtherHCID 14798Sodium HydroxideHCID 212432852-[4-(5-Carbamoyl-3-indolyl)butyl]-1,2,3,4-tetrahydrobenzofuro[2,3-c]pyridine

Product 1

HCID 21243293HCID 21243293, compound

Reagents, catalysts & solvents 1

HCID 962WaterSolvent

Procedure

A mixture of 38.7 g of 2-[4-(5-carbamoyl-3-indolyl)butyl]-1,2,3,4-tetrahydrobenzofuro[2,3-c]pyridine, 27.1 g of NaOH, 525 ml of water and 450 ml of diethylene glycol monoethyl ether is boiled, with stirring, for 16 hours. The mixture is cooled, the usual working up followed by acidification is carried out, and 2-[4-(5-carboxy-3-indolyl)butyl]-1,2,3,4-tetrahydrobenzofuro[2,3-c]pyridine is obtained.

Workup

  1. temperatureThe mixture is cooled

Sources & evidence

ORD record
ord-faa7b874f3294455b2fc1cf2542b463f
Source dataset
uspto-grants-1988_04
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US04740602

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes