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2-Amino-4-methylthiazole → 4-[6-[(4-Methyl-1,3-thiazol-2-yl)amino]-2-pyridinyl]morpholin-3-one

HRID 703
ノート
印刷プレビュー

反応式

HRID 703 の反応式
Cc1csc(N)n1.O=C1COCCN1c1cccc(Br)n1>CC1(C)c2cccc(P(c3ccccc3)c3ccccc3)c2Oc2c(P(c3ccccc3)c3ccccc3)cccc21.Cc1ccccc1.O=C(/C=C/c1ccccc1)/C=C/c1ccccc1.O=C(/C=C/c1ccccc1)/C=C/c1ccccc1.O=C([O-])[O-].[Cs+].[Cs+].[Pd]>Cc1csc(Nc2cccc(N3CCOCC3=O)n2)n1
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 741432-Amino-4-methylthiazoleHCID 1343667494-(6-Bromo-2-pyridinyl)morpholin-3-one

生成物 1

HCID 1343668134-[6-[(4-Methyl-1,3-thiazol-2-yl)amino]-2-pyridinyl]morpholin-3-one収率 66.55%

試薬・触媒・溶媒 4

HCID 10796Cesium carbonate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 1140Toluene溶媒

反応条件

温度
120 °C

実験手順

**_September 16 2015_** 4-methylthiazol-2-amine (65 mg, 0.57 mmol), 4-(6-bromopyridin-2-yl)morpholin-3-one (146 mg, 0.57 mmol), 4-(6-bromopyridin-2-yl)morpholin-3-one (146 mg, 0.57 mmol), (9,9-dimethyl-9H-xanthene-4,5-diyl)bis(diphenylphosphine) (26.4 mg, 0.05 mmol) and cesium carbonate (223 mg, 0.68 mmol) in toluene (5 mL) were microwaved at 120 °C under N2 for one hour. LCMS showed no precursors and 68% of the desired mass MH+291 @ 0.87 min on a 2-min basic run. The reaction mixture was diluted with EtOAc, washed with water, filtered, and evaporated to give a brown solid as the crude product. **_September 17 2015_** The crude product was added to a Biotage column, and was eluted with 0-10% ammoniated MeOH in DCM. Collected fractions. Based on TLC and LCMS, the product fractions were combined, and evpoarated to give an orange-brown solid (150 mg). Based on LCMS, it was only 89% pure. The orange-brown solid was loaded on a Grace column, and eluted with 20-100%EtOAc in Heptane. Collected fractions. (Note: the solubility of the orange-brown solid was not good, and about 12 mL CH2Cl2 was used to dissolved everything) Based on TLC and LCMS, the product fractions were combined, and evpoarated to give an off-white solid (110 mg). Based on LCMS, it was 100% pure; based on M;R, it was > 95% pure.

出典と根拠

ORDレコード
ord-3571e003ae98463b83eba103dff01204
出典データセット
750 AstraZeneca ELN dataset
元リンク
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反応ノート

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