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Methanol → HCID 178419254、化合物

HRID 1382534
ノート
印刷プレビュー

反応式

HRID 1382534 の反応式
[CH2:1]([N:3]([CH2:38][CH3:39])[CH2:4][CH2:5][N:6]1[C:14]2[CH:13]=[CH:12][C:11]([NH:15][CH2:16][CH2:17][N:18]3[C:26](=[O:27])[C:25]4[C:20](=[CH:21][CH:22]=[CH:23][CH:24]=4)[C:19]3=[O:28])=[C:10]3[S:29][C:30]4[CH:35]=[C:34]([O:36]C)[CH:33]=[CH:32][C:31]=4[C:8]([C:9]=23)=[N:7]1)[CH3:2].B(Br)(Br)[Br:41].CO>ClCCl>[BrH:41].[BrH:41].[CH2:38]([N:3]([CH2:1][CH3:2])[CH2:4][CH2:5][N:6]1[C:14]2[CH:13]=[CH:12][C:11]([NH:15][CH2:16][CH2:17][N:18]3[C:19](=[O:28])[C:20]4[C:25](=[CH:24][CH:23]=[CH:22][CH:21]=4)[C:26]3=[O:27])=[C:10]3[S:29][C:30]4[CH:35]=[C:34]([OH:36])[CH:33]=[CH:32][C:31]=4[C:8]([C:9]=23)=[N:7]1)[CH3:39]
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 3

HCID 887MethanolHCID 25134Boron tribromide2 回HCID 144067742-[2-[[2-[2-(Diethylamino)ethyl]-8-methoxy-2H-[1]benzothiopyrano[4,3,2-cd]indazol-5-yl]amino]ethyl]-1H-isoindole-1,3(2H)-dione

生成物 1

HCID 178419254HCID 178419254、化合物収率 70.8%

試薬・触媒・溶媒 1

HCID 6344Dichloromethane溶媒2 回

実験手順

A 25° C. solution of 324.1 g (0.598 mol) of 2-[2-[[2-[2-(diethylamino)ethyl]-8-methoxy-2H-[1]benzothiopyrano[4,3,2-cd]indazol-5-yl]amino]ethyl]-1H-isoindole-1,3(2H)-dione (2) in 7.45 L of dichloromethane was treated dropwise over 2 hr with 2.1 L (2.1 mol) of a 1M solution of boron tribromide in dichloromethane. The mixture was heated at reflux for 6.75 hr, treated with an additional 300 mL (0.3 mol) of boron tribromide solution, then further heated overnight. The refluxing mixture was treated cautiously with 1.86 L of methanol, heated an additional 12 hr, then cooled and stirred for 3 hr in an ice bath. The solids were collected by filtration, washed successively with dichloromethane and hexane, then dried at 220 mm/45° C./20 hr to give 291.8 g (70.8%) of 3, mp 232.5°- 234° C., 98.9% pure by HPLC.

後処理

  1. temperatureThe mixture was heated
  2. temperatureat reflux for 6.75 hr
  3. temperaturefurther heated overnight
  4. temperatureheated an additional 12 hr
  5. temperaturecooled
  6. filtrationThe solids were collected by filtration
  7. washwashed successively with dichloromethane and hexane
  8. customdried at 220 mm/45° C./20 hr

出典と根拠

ORDレコード
ord-720248306ade409c97e9af510acf7812
出典データセット
uspto-grants-1989_02
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US04806654

反応ノート

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