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Sodium methanesulfinate → (1aR,5aR)-2-(4-(methylsulfonyl)pyridin-2-yl)-1a,2,5,5a-tetrahydro-1H-2,3-diaza-cyclopropa[a]pentalene-4-carboxylic Acid

HRID 1623956
ノート
印刷プレビュー

反応式

HRID 1623956 の反応式
Br[C:2]1[CH:7]=[CH:6][N:5]=[C:4]([N:8]2[C:15]3[C@@H:14]4[CH2:16][C@@H:13]4[CH2:12][C:11]=3[C:10]([C:17]([OH:19])=[O:18])=[N:9]2)[CH:3]=1.[CH3:20][S:21]([O-:23])=[O:22].[Na+]>CS(C)=O.O>[CH3:20][S:21]([C:2]1[CH:7]=[CH:6][N:5]=[C:4]([N:8]2[C:15]3[C@@H:14]4[CH2:16][C@@H:13]4[CH2:12][C:11]=3[C:10]([C:17]([OH:19])=[O:18])=[N:9]2)[CH:3]=1)(=[O:23])=[O:22]
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 2733271Sodium methanesulfinateHCID 68182432(1aR,5aR)-2-(4-bromopyridin-2-yl)-1a,2,5,5a-tetrahydro-1H-2,3-diaza-cyclopropa[a]pentalene-4-carboxylic acid

生成物 1

HCID 68182389(1aR,5aR)-2-(4-(methylsulfonyl)pyridin-2-yl)-1a,2,5,5a-tetrahydro-1H-2,3-diaza-cyclopropa[a]pentalene-4-carboxylic Acid収率 62.6%

試薬・触媒・溶媒 2

HCID 679Dimethyl Sulfoxide溶媒
HCID 962
Water
溶媒

実験手順

A solution of (1aR,5aR)-2-(4-bromopyridin-2-yl)-1a,2,5,5a-tetrahydro-1H-2,3-diaza-cyclopropa[a]pentalene-4-carboxylic acid (80 mg, 0.25 mmol) and sodium methanesulfinate (28 mg, 0.28 mmol) in DMSO (1.5 mL) was stirred overnight at 80° C. The reaction was diluted with H2O, and then extracted with DCM (3×). The combined organics were washed with H2O, dried, and concentrated. The residue was purified by silica gel column chromatography to give the title compound (50 mg). LCMS m/z=320.2 [M+H]+.

後処理

  1. extractionextracted with DCM (3×)
  2. washThe combined organics were washed with H2O
  3. customdried
  4. concentrationconcentrated
  5. customThe residue was purified by silica gel column chromatography

出典と根拠

ORDレコード
ord-d0a281983f1947feb3e36ecc634b2248
出典データセット
uspto-grants-2014_07
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08778950B2

反応ノート

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