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1-Isopropyl-3-methyl-1H-pyrazol-5-amine → Gsk-2256098

HRID 172
ノート
印刷プレビュー

反応式

HRID 172 の反応式
CONC(=O)c1ccccc1Nc1cc(Cl)ncc1Cl.Cc1cc(N)n(C(C)C)n1>C1COCCO1.CC(C)(C)[O-].CC1(C)c2cccc(P(c3ccccc3)c3ccccc3)c2Oc2c(P(c3ccccc3)c3ccccc3)cccc21.O=C(/C=C/c1ccccc1)/C=C/c1ccccc1.O=C(/C=C/c1ccccc1)/C=C/c1ccccc1.[Na+].[Pd]>CONC(=O)c1ccccc1Nc1cc(Nc2cc(C)nn2C(C)C)ncc1Cl
参加物反応条件実験手順出典と根拠反応ノート

参加物

7

反応物 2

HCID 1210181-Isopropyl-3-methyl-1H-pyrazol-5-amineHCID 575168962-[(2,5-dichloro-4-pyridinyl)amino]-N-(methyloxy)benzamide

生成物 1

HCID 46214930Gsk-2256098収率 36.49%

試薬・触媒・溶媒 4

HCID 23676156Sodium t-butoxide試薬HCID 6360441,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine)触媒
HCID 6505921(1E,4E)-1,5-diphenylpenta-1,4-dien-3-one; palladium触媒
HCID 312751,4-Dioxane溶媒

反応条件

温度
100 °C

実験手順

2-(2,5-dichloropyridin-4-ylamino)-N-methoxybenzamide (200 mg, 0.64 mmol), 1-isopropyl-3-methyl-1H-pyrazol-5-amine (178 mg, 1.28 mmol) and sodium 2-methylpropan-2-olate (92 mg, 0.96 mmol) were suspended in 1,4-dioxane (3 mL). Nitrogen was bubbled through mixture for 10 minutes. (9,9-dimethyl-9H-xanthene-4,5-diyl)bis(diphenylphosphine) (74.1 mg, 0.13 mmol) and BIS(DIBENZYLIDENEACETONE)PALLADIUM(0) (55.3 mg, 0.10 mmol) were added and tube was sealed. Mixture was stirred at reflux overnight. Reaction was allowed to cool to room temperature, filtered, washed with CH2Cl2/MeOH (9/1, 10 mL) and concentrated to dryness. The crude product was purified by flash chromatography (dry loading) on silica gel eluting with 1 to 5% methanol in dichloromethane. The solvent was evaporated to dryness to afford 2-(5-chloro-2-(1-isopropyl-3-methyl-1H-pyrazol-5-ylamino)pyridin-4-ylamino)-N-methoxybenzamide (97 mg, 36.5 %) as a pink foam.

出典と根拠

ORDレコード
ord-9b3d4697078d49aaa1c7aef286254c96
出典データセット
750 AstraZeneca ELN dataset
元リンク
出典を表示

反応ノート

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