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Methyl 3-mercaptopropionate → Tert-butyl 4-(2-(5-(3-methoxy-3-oxopropylthio)-3-phenoxypyridin-2-ylamino)thiazol-4-yl)piperidine-1-carboxylate

HRID 1806068
ノート
印刷プレビュー

反応式

HRID 1806068 の反応式
Br[C:2]1[CH:3]=[C:4]([O:27][C:28]2[CH:33]=[CH:32][CH:31]=[CH:30][CH:29]=2)[C:5]([NH:8][C:9]2[S:10][CH:11]=[C:12]([CH:14]3[CH2:19][CH2:18][N:17]([C:20]([O:22][C:23]([CH3:26])([CH3:25])[CH3:24])=[O:21])[CH2:16][CH2:15]3)[N:13]=2)=[N:6][CH:7]=1.C(N(C(C)C)C(C)C)C.[SH:43][CH2:44][CH2:45][C:46]([O:48][CH3:49])=[O:47]>C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.[Pd].[Pd].CC1(C)C2C(=C(P(C3C=CC=CC=3)C3C=CC=CC=3)C=CC=2)OC2C(P(C3C=CC=CC=3)C3C=CC=CC=3)=CC=CC1=2.O1CCOCC1>[CH3:49][O:48][C:46](=[O:47])[CH2:45][CH2:44][S:43][C:2]1[CH:3]=[C:4]([O:27][C:28]2[CH:33]=[CH:32][CH:31]=[CH:30][CH:29]=2)[C:5]([NH:8][C:9]2[S:10][CH:11]=[C:12]([CH:14]3[CH2:19][CH2:18][N:17]([C:20]([O:22][C:23]([CH3:26])([CH3:25])[CH3:24])=[O:21])[CH2:16][CH2:15]3)[N:13]=2)=[N:6][CH:7]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 3

HCID 18050Methyl 3-mercaptopropionateHCID 81531DiisopropylethylamineHCID 86631480Tert-butyl 4-(2-(5-bromo-3-phenoxypyridin-2-ylamino)thiazol-4-yl)piperidine-1-carboxylate

生成物 1

HCID 86631496Tert-butyl 4-(2-(5-(3-methoxy-3-oxopropylthio)-3-phenoxypyridin-2-ylamino)thiazol-4-yl)piperidine-1-carboxylate収率 81.8%

試薬・触媒・溶媒 3

HCID 636044
1,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine)
触媒
HCID 9811564Bis(dibenzylideneacetone)palladium触媒
HCID 312751,4-Dioxane溶媒

実験手順

A 100 mL round-bottomed flask was charged with tert-butyl 4-(2-(5-bromo-3-phenoxypyridin-2-ylamino)thiazol-4-yl)piperidine-1-carboxylate (1.6 g, 3.0 mmol), N-ethyl-N-isopropylpropan-2-amine (1.0 mL, 6.0 mmol), Xantphos (0.087 g, 0.15 mmol), and Dioxane (25 mL). Nitrogen was bubbled through the solution for 10 minutes. Methyl 3-mercaptopropanoate (0.40 mL, 3.6 mmol) and Pd2dba3 (0.068 g, 0.075 mmol) were added and the reaction was plunged into a 95° C. oil bath for 6 hours. The reaction was cooled to room temperature and the solids filtered through celite and concentrated. The residue was purified on silica (30% EtOAc in hexanes) to afford tert-butyl 4-(2-(5-(3-methoxy-3-oxopropylthio)-3-phenoxypyridin-2-ylamino)thiazol-4-yl)piperidine-1-carboxylate (1.4 g, 81.48% yield) as a white foam.

後処理

  1. customNitrogen was bubbled through the solution for 10 minutes
  2. customwas plunged into a 95° C.
  3. customfor 6 hours
  4. filtrationthe solids filtered through celite
  5. concentrationconcentrated
  6. customThe residue was purified on silica (30% EtOAc in hexanes)

出典と根拠

ORDレコード
ord-ca178626144e45428db34889479928ac
出典データセット
uspto-grants-2013_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08354540B2

反応ノート

読み込み中…

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