Phenylboronic Acid → 2-(3-Cyclobutoxy-4-difluoromethoxyphenyl)-3-phenyl-1-(2-trimethylsilylethoxymethyl)-1,5-dihydropyrrolo[2,3-d]pyridazin-4-one

HRID 2097414Notes

Reaction equation

HRID 2097414 reaction equation
[CH:1]1([O:5][C:6]2[CH:7]=[C:8]([C:16]3[N:25]([CH2:26][O:27][CH2:28][CH2:29][Si:30]([CH3:33])([CH3:32])[CH3:31])[C:19]4[CH:20]=[N:21][NH:22][C:23](=[O:24])[C:18]=4[C:17]=3I)[CH:9]=[CH:10][C:11]=2[O:12][CH:13]([F:15])[F:14])[CH2:4][CH2:3][CH2:2]1.BrC1N(COCC[Si](C)(C)C)C2C=NNC(=O)C=2C=1.[C:54]1(B(O)O)[CH:59]=[CH:58][CH:57]=[CH:56][CH:55]=1>>[CH:1]1([O:5][C:6]2[CH:7]=[C:8]([C:16]3[N:25]([CH2:26][O:27][CH2:28][CH2:29][Si:30]([CH3:33])([CH3:32])[CH3:31])[C:19]4[CH:20]=[N:21][NH:22][C:23](=[O:24])[C:18]=4[C:17]=3[C:54]3[CH:59]=[CH:58][CH:57]=[CH:56][CH:55]=3)[CH:9]=[CH:10][C:11]=2[O:12][CH:13]([F:15])[F:14])[CH2:4][CH2:3][CH2:2]1

Participants

4

Reactant 3

HCID 66827Phenylboronic AcidHCID 666024982-(3-Cyclobutoxy-4-difluoromethoxyphenyl)-3-iodo-1-(2-trimethylsilylethoxymethyl)-1,5-dihydropyrrolo-[2,3-d]pyridazin-4-oneHCID 666026402-Bromo-1-(2-trimethylsilylethoxymethyl)-1,5-dihydropyrrolo[2,3-d]pyridazin-4-one

Product 1

HCID 666027132-(3-Cyclobutoxy-4-difluoromethoxyphenyl)-3-phenyl-1-(2-trimethylsilylethoxymethyl)-1,5-dihydropyrrolo[2,3-d]pyridazin-4-oneYield 89%

Procedure

Reaction and post treatment were carried out in the same manner as in Example 1-(a) except for using 299 mg (0.495 mmol) of 2-(3-cyclobutoxy-4-difluoromethoxyphenyl)-3-iodo-1-(2-trimethylsilylethoxymethyl)-1,5-dihydropyrrolo-[2,3-d]pyridazin-4-one obtained in Example 34-(a) in place of 2-bromo-1-(2-trimethylsilylethoxymethyl)-1,5-dihydropyrrolo[2,3-d]pyridazin-4-one, and using 95 mg (0.779 mmol) of phenylboronic acid in place of 2-(3-cyclopropoxy-4-difluoromethoxyphenyl)-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane obtained in the following Reference example 1-(a), whereby 151 mg of the title compound was obtained as a pale beige solid. (Yield: 89%)

Workup

  1. customReaction and post treatment

Sources & evidence

ORD record
ord-67b96807a29c48f587087804c7045ebf
Source dataset
uspto-grants-2013_05
Patent number
US08450319B2

Reaction notes

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