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Methyl 5-amino-1,1a,2,7b-tetrahydrocyclopropa[c]chromene-4-carboxylate → methyl (1aRS,7bSR)-5-{4-fluoro-2-[1-(2,2,2-trifluoroacetyl)azetidin-3-yl]benzene-sulfonylamino}-1,1a,2,7b-tetrahydrocyclopropa[c]chromene-4-carboxylate

HRID 927973
ノート
印刷プレビュー

反応式

HRID 927973 の反応式
C[C:2]1[C:3]([CH:13]2[CH2:16][N:15]([C:17](=[O:22])[C:18]([F:21])([F:20])[F:19])[CH2:14]2)=[C:4]([S:9](Cl)(=[O:11])=[O:10])[CH:5]=[CH:6][C:7]=1[F:8].[NH2:23][C:24]1[C:33]([C:34]([O:36][CH3:37])=[O:35])=[C:32]2[C:27]([CH:28]3[CH2:38][CH:29]3[CH2:30][O:31]2)=[CH:26][CH:25]=1>N1C=CC=CC=1.C(Cl)Cl>[F:8][C:7]1[CH:6]=[CH:5][C:4]([S:9]([NH:23][C:24]2[C:33]([C:34]([O:36][CH3:37])=[O:35])=[C:32]3[C:27]([CH:28]4[CH2:38][CH:29]4[CH2:30][O:31]3)=[CH:26][CH:25]=2)(=[O:10])=[O:11])=[C:3]([CH:13]2[CH2:14][N:15]([C:17](=[O:22])[C:18]([F:20])([F:19])[F:21])[CH2:16]2)[CH:2]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 2

HCID 86713293Methyl 5-amino-1,1a,2,7b-tetrahydrocyclopropa[c]chromene-4-carboxylate2 回HCID 86713313Methyl 4-fluoro-2-[1-(2,2,2-trifluoroacetyl)azetidin-3-yl]benzenesulfonyl chloride2 回

生成物 1

HCID 86713312methyl (1aRS,7bSR)-5-{4-fluoro-2-[1-(2,2,2-trifluoroacetyl)azetidin-3-yl]benzene-sulfonylamino}-1,1a,2,7b-tetrahydrocyclopropa[c]chromene-4-carboxylate収率 104.2%

試薬・触媒・溶媒 2

HCID 1049
Pyridine
溶媒
HCID 6344Dichloromethane溶媒2 回

実験手順

A solution of methyl 4-fluoro-2-[1-(2,2,2-trifluoroacetyl)azetidin-3-yl]benzenesulfonyl chloride (Intermediate 89, 0.192 g) and methyl (1aRS,7bSR)-5-amino-1,1a,2,7b-tetrahydrocyclopropa-[c]chromene-4-carboxylate (Intermediate 42, 0.122 g) in pyridine (1 mL) and DCM (3 mL) was left to stand at room temperature for 18 hours. The mixture was diluted with DCM, washed with 1M hydrochloric acid and filtered through a phase separator. The filtrate was concentrated in vacuo and the residue was purified by chromatography on silica, eluting with a mixture of ethyl acetate and cyclohexane with a gradient of 0-30% to give methyl (1aRS,7bSR)-5-{4-fluoro-2-[1-(2,2,2-trifluoro-acetyl)azetidin-3-yl]benzenesulfonylamino}-1,1a,2,7b-tetrahydrocyclopropa-[c]chromene-4-carboxylate (0.294 g) as a colourless gum.

後処理

  1. washwashed with 1M hydrochloric acid
  2. filtrationfiltered through a phase separator
  3. concentrationThe filtrate was concentrated in vacuo
  4. customthe residue was purified by chromatography on silica
  5. washeluting with a mixture of ethyl acetate and cyclohexane with a gradient of 0-30%

出典と根拠

ORDレコード
ord-baf4c76619c741e08abc8716f3035ef0
出典データセット
uspto-grants-2016_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09290472B2

反応ノート

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