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(S)alpha-cyano-3-phenoxy-4-fluoro-benzyl(1R,cis,Z)2,2-dimethyl-3-[3-oxo-3-tert.-butoxy-1-propenyl]-cyclopropanecarboxylate → (S)alpha-cyano-3-phenoxy-4-fluoro-benzyl(1R,cis,Z)2,2-dimethyl-3-[3-oxo-3-hydroxy-1-propenyl]-cyclopropane-carboxylate

HRID 1719777
ノート
印刷プレビュー

反応式

HRID 1719777 の反応式
[CH3:1][C:2]1([CH3:34])[C@@H:4](/[CH:5]=[CH:6]\[C:7](=[O:13])[O:8]C(C)(C)C)[C@H:3]1[C:14]([O:16][C@H:17]([C:32]#[N:33])[C:18]1[CH:23]=[CH:22][C:21]([F:24])=[C:20]([O:25][C:26]2[CH:31]=[CH:30][CH:29]=[CH:28][CH:27]=2)[CH:19]=1)=[O:15]>C1(C)C=CC=CC=1>[CH3:1][C:2]1([CH3:34])[C@@H:4](/[CH:5]=[CH:6]\[C:7](=[O:8])[OH:13])[C@H:3]1[C:14]([O:16][C@H:17]([C:32]#[N:33])[C:18]1[CH:23]=[CH:22][C:21]([F:24])=[C:20]([O:25][C:26]2[CH:27]=[CH:28][CH:29]=[CH:30][CH:31]=2)[CH:19]=1)=[O:15]
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

3

反応物 1

HCID 13188405(S)alpha-cyano-3-phenoxy-4-fluoro-benzyl(1R,cis,Z)2,2-dimethyl-3-[3-oxo-3-tert.-butoxy-1-propenyl]-cyclopropanecarboxylate

生成物 1

HCID 86740328(S)alpha-cyano-3-phenoxy-4-fluoro-benzyl(1R,cis,Z)2,2-dimethyl-3-[3-oxo-3-hydroxy-1-propenyl]-cyclopropane-carboxylate収率 92.2%

試薬・触媒・溶媒 1

HCID 1140Toluene溶媒2 回

反応条件

温度
0 °C

実験手順

1.6 g of p-toluene sulonic acid monohydrate were added to a solution of 16.4 g of the product of Step B in 160 ml of toluene and the mixture was refluxed until gas evolution ceased (about 30 minutes) and was cooled to 0° C. and filtered The filtrate was evaporated to dryness under reduced pressure and the residue was chromatographed over silica gel. Elution with a 70-30-1 n-hexane-ethyl acetate-acetic acid mixture yielded 13.3 g of (S)α-cyano-3-phenoxy-4-fluoro-benzyl (1R,cis,Z) 2,2-dimethyl-3-[3-oxo-3-hydroxy-1-propenyl]-cyclopropane-carboxylate melting at 99° C. and having a specific rotation of [α]D20 =+52.5° ±2.5° (c=0.5% in chloroform).

後処理

  1. temperaturethe mixture was refluxed until gas evolution
  2. custom(about 30 minutes)
  3. filtrationfiltered The filtrate
  4. customwas evaporated to dryness under reduced pressure
  5. customthe residue was chromatographed over silica gel
  6. washElution with a 70-30-1 n-hexane-ethyl acetate-acetic acid mixture

出典と根拠

ORDレコード
ord-3afe1591f18e4369809002324169d6ae
出典データセット
uspto-grants-1985_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US04542142

反応ノート

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