Dicyclohexylcarbodiimide → 5,5-Dimethyl-8-(3-methyl-2-octyl)-10-[4-(pyrrolidino)butyryloxy]-5H-[1]benzopyrano[3,4-d]pyridine hydrochloride

HRID 126824

Reaction equation

HRID 126824 reaction equation
[CH3:1][C:2]1([CH3:26])[C:21]2=[CH:22][CH:23]=[N:24][CH:25]=[C:20]2[C:5]2[C:6]([OH:19])=[CH:7][C:8]([CH:10]([CH:12]([CH3:18])[CH2:13][CH2:14][CH2:15][CH2:16][CH3:17])[CH3:11])=[CH:9][C:4]=2[O:3]1.[ClH:27].[N:28]1([CH2:33][CH2:34][CH2:35][C:36](O)=[O:37])[CH2:32][CH2:31][CH2:30][CH2:29]1.C1(N=C=NC2CCCCC2)CCCCC1>>[ClH:27].[CH3:26][C:2]1([CH3:1])[C:21]2=[CH:22][CH:23]=[N:24][CH:25]=[C:20]2[C:5]2[C:6]([O:19][C:36](=[O:37])[CH2:35][CH2:34][CH2:33][N:28]3[CH2:32][CH2:31][CH2:30][CH2:29]3)=[CH:7][C:8]([CH:10]([CH:12]([CH3:18])[CH2:13][CH2:14][CH2:15][CH2:16][CH3:17])[CH3:11])=[CH:9][C:4]=2[O:3]1

Participants

4

Reactant 3

HCID 10868DicyclohexylcarbodiimideHCID 148556824-(Pyrrolidin-1-yl)butanoic acid hydrochlorideHCID 197814025,5-Dimethyl-10-hydroxy-8-(3-methyl-2-octyl)-5H-[1]benzopyrano[3,4-d]pyridine

Product 1

HCID 202878805,5-Dimethyl-8-(3-methyl-2-octyl)-10-[4-(pyrrolidino)butyryloxy]-5H-[1]benzopyrano[3,4-d]pyridine hydrochloride

Procedure

5,5-Dimethyl-8-(3-methyl-2-octyl)-10-[4-(pyrrolidino)butyryloxy]-5H-[1]benzopyrano[3,4-d]pyridine hydrochloride is prepared according to the method of Example 29 by reacting equimolar quantities of 5,5-dimethyl-10-hydroxy-8-(3-methyl-2-octyl)-5H-[1]benzopyrano[3,4-d]pyridine and γ-pyrrolidinobutyric acid hydrochloride in the presence of dicyclohexyl carbodiimide.

Sources & evidence

ORD record
ord-632520cbbf3b423e9a18c86b8716fc49
Source dataset
uspto-grants-1981_03
Patent number
US04254116

Linked notes

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