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2-(Oxiran-2-ylmethoxy)benzonitrile → 6-[4-[2-[3-(2-cyanophenoxy)-2-hydroxypropylamino]-2-methylpropyl-amino]phenyl]-4,5-dihydro-3(2H)-pyridazinone

HRID 654075
Notes
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Reaction equation

HRID 654075 reaction equation
[NH2:1][C:2]([CH3:19])([CH3:18])[CH2:3][NH:4][C:5]1[CH:10]=[CH:9][C:8]([C:11]2[CH2:12][CH2:13][C:14](=[O:17])[NH:15][N:16]=2)=[CH:7][CH:6]=1.[C:20]([C:22]1[CH:32]=[CH:31][CH:30]=[CH:29][C:23]=1[O:24][CH2:25][CH:26]1[O:28][CH2:27]1)#[N:21]>C(O)(C)C>[C:20]([C:22]1[CH:32]=[CH:31][CH:30]=[CH:29][C:23]=1[O:24][CH2:25][CH:26]([OH:28])[CH2:27][NH:1][C:2]([CH3:19])([CH3:18])[CH2:3][NH:4][C:5]1[CH:6]=[CH:7][C:8]([C:11]2[CH2:12][CH2:13][C:14](=[O:17])[NH:15][N:16]=2)=[CH:9][CH:10]=1)#[N:21]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 126196712-(Oxiran-2-ylmethoxy)benzonitrileHCID 150205046-[4-(2-amino-2-methylpropylamino)phenyl]-4,5-dihydro-3(2H)-pyridazinone

Product 1

HCID 150205106-[4-[2-[3-(2-cyanophenoxy)-2-hydroxypropylamino]-2-methylpropyl-amino]phenyl]-4,5-dihydro-3(2H)-pyridazinoneYield 78.6%

Reagents, catalysts & solvents 1

HCID 3776IsopropanolSolvent

Procedure

2.6 g of 6-[4-(2-amino-2-methylpropylamino)-phenyl]-4,5-dihydro-3(2H)-pyridazinone and 1.5 g of 1-(2-cyanophenoxy)-2,3-epoxypropane obtained in Example 1, (3) were dissolved in 20 ml of isopropanol, and heated with stirring for 24 hours. The solution was then worked up in the same way as in Example 1, (5). Recrystallization from dichloromethane-ether gave 2.93 g of 6-[4-[2-[3-(2-cyanophenoxy)-2-hydroxypropylamino]-2-methylpropyl-amino]phenyl]-4,5-dihydro-3(2H)-pyridazinone.

Workup

  1. temperatureheated
  2. customRecrystallization from dichloromethane-ether

Sources & evidence

ORD record
ord-5683bccc6a994a24bb396067bcbabbc2
Source dataset
uspto-grants-1992_07
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US05130314

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes