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Ammonium Chloride → 5-Cyclohex-1-en-1-yl-7-isopropyl-2,2-dimethyl-4-oxochroman-6-carbaldehyde

HRID 1516704
ノート
印刷プレビュー

反応式

HRID 1516704 の反応式
FC(F)(F)S(O[C:7]1[C:16]([CH:17]=[O:18])=[C:15]([CH:19]([CH3:21])[CH3:20])[CH:14]=[C:13]2[C:8]=1[C:9](=[O:24])[CH2:10][C:11]([CH3:23])([CH3:22])[O:12]2)(=O)=O.[C:27]1(B(O)O)[CH2:32][CH2:31][CH2:30][CH2:29][CH:28]=1.P([O-])([O-])([O-])=O.[K+].[K+].[K+].[Cl-].[NH4+]>O1CCOCC1.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[C:27]1([C:7]2[C:16]([CH:17]=[O:18])=[C:15]([CH:19]([CH3:21])[CH3:20])[CH:14]=[C:13]3[C:8]=2[C:9](=[O:24])[CH2:10][C:11]([CH3:22])([CH3:23])[O:12]3)[CH2:32][CH2:31][CH2:30][CH2:29][CH:28]=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 4

HCID 25517Ammonium ChlorideHCID 62657Potassium Phosphate, TribasicHCID 38629021-Cyclohexenylboronic acidHCID 580029926-Formyl-7-isopropyl-2,2-dimethyl-4-oxo-3,4-dihydro-2H-chromen-5-yl trifluoromethanesulfonate

生成物 1

HCID 580029485-Cyclohex-1-en-1-yl-7-isopropyl-2,2-dimethyl-4-oxochroman-6-carbaldehyde

試薬・触媒・溶媒 2

HCID 178418397
HCID 178418397、化合物
触媒
HCID 312751,4-Dioxane溶媒

実験手順

A solution of 365 mg (930 μmol) of 6-formyl-7-isopropyl-2,2-dimethyl-4-oxo-3,4-dihydro-2H-chromen-5-yl trifluoromethanesulfonate (Example 19A), 152 mg (1.20 mmol) of cyclohex-1-en-1-ylboronic acid, 75 mg (60 μmol) of tetrakis(triphenylphosphine)palladium and 334 mg (1.57 mmol) of potassium phosphate in 5.5 ml of degassed dioxane is stirred at 100° C. overnight. After cooling to room temperature, ammonium chloride solution is added and the mixture is extracted twice with ethyl acetate. The combined organic phases are dried over sodium sulfate, the solvent is then removed under reduced pressure and the residue is purified by column chromatography on silica gel (mobile phase:cyclohexane/ethyl acetate 20:1).

後処理

  1. extractionthe mixture is extracted twice with ethyl acetate
  2. dry with materialThe combined organic phases are dried over sodium sulfate
  3. customthe solvent is then removed under reduced pressure
  4. customthe residue is purified by column chromatography on silica gel (mobile phase:cyclohexane/ethyl acetate 20:1)

出典と根拠

ORDレコード
ord-7134e116541c44c5b336197b8cbb6ebe
出典データセット
uspto-grants-2012_07
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08227511B2

反応ノート

読み込み中…

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