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Water → 2-[(3-Trifluoromethyl-benzylamino)-methyl]-2,3,8,9-tetrahydro-7H-1,4-dioxino[2,3-e]indol-8-one

HRID 1292201
ノート
印刷プレビュー

反応式

HRID 1292201 の反応式
C1(C)C=CC(S(O[CH2:11][C@@H:12]2[O:25][C:16]3=[C:17]4[C:21](=[CH:22][CH:23]=[C:15]3[O:14][CH2:13]2)[NH:20][C:19](=[O:24])[CH2:18]4)(=O)=O)=CC=1.[F:27][C:28]([F:38])([F:37])[C:29]1[CH:30]=[C:31]([CH:34]=[CH:35][CH:36]=1)[CH2:32][NH2:33].O>CS(C)=O>[F:27][C:28]([F:37])([F:38])[C:29]1[CH:30]=[C:31]([CH:34]=[CH:35][CH:36]=1)[CH2:32][NH:33][CH2:11][CH:12]1[O:25][C:16]2=[C:17]3[C:21](=[CH:22][CH:23]=[C:15]2[O:14][CH2:13]1)[NH:20][C:19](=[O:24])[CH2:18]3
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

5

反応物 3

HCID 962WaterHCID 759623-(Trifluoromethyl)benzylamineHCID 15381104(R)-2-(Toluene-4-sulfonyloxymethyl)-2,3,8,9-tetrahydro-7H-1,4-dioxino[2,3-e]indol-8-one

生成物 1

HCID 119903982-[(3-Trifluoromethyl-benzylamino)-methyl]-2,3,8,9-tetrahydro-7H-1,4-dioxino[2,3-e]indol-8-one収率 20%

試薬・触媒・溶媒 1

HCID 679Dimethyl Sulfoxide
溶媒

反応条件

温度
85 °C

実験手順

(R)-2-(Toluene-4-sulfonyloxymethyl)-2,3,8,9-tetrahydro-7H-1,4-dioxino[2,3-e]indol-8-one (1.01 g, 2.70 mmole) and 3-trifluoromethylbenzylamine (1.75 ml, 12.0 mmole) were combined in 15 ml of dry DMSO and heated to 85° C. for 4 hours under a nitrogen atmosphere. After cooling to room temperature, 200 ml of water was added and the mixture was extracted twice with 250 ml portions of 50% ethyl acetate in hexane. The combined organic phases were washed with brine, dried over MgSO4, filtered and concentrated in vacuum to yield an oil, which was column chromatographed on silica gel using 2% methanol/CH2Cl2 as eluant. The free base of the title compound (0.20 g, 20%) thus obtained was crystallized from isopropanol with the addition of one equivalent of fumaric acid to give 0.17 g of the (S) enantiomer of the title compound as a light yellow solid fumarate, one-half hydrate, m.p. 158°-160° C.

後処理

  1. temperatureAfter cooling to room temperature
  2. extractionthe mixture was extracted twice with 250 ml portions of 50% ethyl acetate in hexane
  3. washThe combined organic phases were washed with brine
  4. dry with materialdried over MgSO4
  5. filtrationfiltered
  6. concentrationconcentrated in vacuum
  7. customto yield an oil, which
  8. customchromatographed on silica gel using 2% methanol/CH2Cl2 as eluant

出典と根拠

ORDレコード
ord-4c3e52adc28d4d6881606d3aed0d0c17
出典データセット
uspto-grants-1998_05
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US05756532

反応ノート

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