1-Benzyloxymethyl-3-(2-cyanobenzyl)-2-(3-cyclopropoxy-4-difluoromethoxyphenyl)-1,5-dihydropyrrolo-[2,3-d]pyridazin-4-one → 3-(2-Cyanobenzyl)-2-(3-cyclopropoxy-4-difluoromethoxyphenyl)-1,5-dihydropyrrolo[2,3-d]pyridazin-4-one

HRID 2097404Notes

Reaction equation

C(OC[N:10]1[C:14]2[CH:15]=[N:16][NH:17][C:18](=[O:19])[C:13]=2[C:12]([CH2:20][C:21]2[CH:26]=[CH:25][CH:24]=[CH:23][C:22]=2[C:27]#[N:28])=[C:11]1[C:29]1[CH:34]=[CH:33][C:32]([O:35][CH:36]([F:38])[F:37])=[C:31]([O:39][CH:40]2[CH2:42][CH2:41]2)[CH:30]=1)C1C=CC=CC=1.C(OCN1C2C=NNC(=O)C=2C(CC2C=CC=CC=2F)=C1C1C=CC(OC(F)F)=C(OC2CC2)C=1)C1C=CC=CC=1>>[C:27]([C:22]1[CH:23]=[CH:24][CH:25]=[CH:26][C:21]=1[CH2:20][C:12]1[C:13]2[C:18](=[O:19])[NH:17][N:16]=[CH:15][C:14]=2[NH:10][C:11]=1[C:29]1[CH:34]=[CH:33][C:32]([O:35][CH:36]([F:37])[F:38])=[C:31]([O:39][CH:40]2[CH2:41][CH2:42]2)[CH:30]=1)#[N:28]

Participants

Reactant 2

HCID 666028131-Benzyloxymethyl-3-(2-cyanobenzyl)-2-(3-cyclopropoxy-4-difluoromethoxyphenyl)-1,5-dihydropyrrolo-[2,3-d]pyridazin-4-one

HCID 66602968HCID 66602968, compound

Product 1

HCID 1358450413-(2-Cyanobenzyl)-2-(3-cyclopropoxy-4-difluoromethoxyphenyl)-1,5-dihydropyrrolo[2,3-d]pyridazin-4-oneYield 87%

Procedure

Reaction and post treatment were carried out in the same manner as in Example 22-(b) except for using 548 mg (0.964 mmol) of 1-benzyloxymethyl-3-(2-cyanobenzyl)-2-(3-cyclopropoxy-4-difluoromethoxyphenyl)-1,5-dihydropyrrolo-[2,3-d]pyridazin-4-one obtained in Example 25-(a) in place of 1-benzyloxymethyl-2-(3-cyclopropoxy-4-difluoromethoxyphenyl)-3-(2-fluorobenzyl)-1,5-dihydropyrrolo[2,3-d]pyridazin-4-one, whereby 374 mg of the title compound was obtained as a white solid. (Yield: 87%)

Workup

customReaction and post treatment

Sources & evidence

ORD record: ord-2fb862fca39a48d9b10c677b7d55b439
Source dataset: uspto-grants-2013_05
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US08450319B2

Reaction notes

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