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Acetic Anhydride → 3-[2,4-Bis(dimethylamino)phenyl]-3-(1,2-dimethyl-3-indolyl)-4,5,6,7-tetrachlorophthalide

HRID 2059265
ノート
印刷プレビュー

反応式

HRID 2059265 の反応式
[CH3:1][N:2]1[C:10]2[C:5](=[CH:6][CH:7]=[CH:8][CH:9]=2)[C:4]([C:11]([C:13]2[C:21]([Cl:22])=[C:20]([Cl:23])[C:19]([Cl:24])=[C:18]([Cl:25])[C:14]=2[C:15]([OH:17])=O)=[O:12])=[C:3]1[CH3:26].[CH3:27][N:28]([CH3:38])[C:29]1[CH:34]=[CH:33][CH:32]=[C:31]([N:35]([CH3:37])[CH3:36])[CH:30]=1.C(OC(=O)C)(=O)C.[OH-].[NH4+]>Cl>[CH3:36][N:35]([CH3:37])[C:31]1[CH:30]=[C:29]([N:28]([CH3:38])[CH3:27])[CH:34]=[CH:33][C:32]=1[C:11]1([C:4]2[C:5]3[C:10](=[CH:9][CH:8]=[CH:7][CH:6]=3)[N:2]([CH3:1])[C:3]=2[CH3:26])[C:13]2[C:14](=[C:18]([Cl:25])[C:19]([Cl:24])=[C:20]([Cl:23])[C:21]=2[Cl:22])[C:15](=[O:17])[O:12]1
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

HCID 7918Acetic AnhydrideHCID 14923Ammonium HydroxideHCID 897151,3-Benzenediamine, N1,N1,N3,N3-tetramethyl-HCID 205235362-[(1,2-Dimethyl-3-indolyl)carbonyl]-3,4,5,6-tetrachlorobenzoic acid

生成物 1

HCID 205235653-[2,4-Bis(dimethylamino)phenyl]-3-(1,2-dimethyl-3-indolyl)-4,5,6,7-tetrachlorophthalide

試薬・触媒・溶媒 1

HCID 313
Hydrochloric Acid
溶媒

実験手順

A mixture of 1.55 g (0.0036 mole) of 2-[(1,2-dimethyl-3-indolyl)carbonyl]-3,4,5,6-tetrachlorobenzoic acid prepared in a manner similar to part A of Example 2, 0.58 g (0.0035 mole) of N,N,N',N'-tetramethyl-m-phenylenediamine and ten ml of acetic anhydride was heated to reflux for approximately one hour. After cooling to room temperature, the reaction mixture was poured into 20 ml of 10 percent hydrochloric acid and the mixture then rendered alkaline by the addition of concentrated ammonium hydroxide. The purple solid which separated was collected by filtration, dried, and recrystallized twice from isopropyl acetate to obtain 3-[2,4-bis(dimethylamino)phenyl]-3-(1,2-dimethyl-3-indolyl)-4,5,6,7-tetrachlorophthalide (Formula III: R°=R1 =R2 =R3 =Cl; R=R5 =R6 =CH3 ; R4 =N(CH3)2 ; Y1 =H) which decomposed at 228°-229° C. The mass spectrum showed an m/e at 575 (M+, 4 Cl). A toluene solution of the product spotted on silica gel developed an intense purple-colored image.

後処理

  1. temperaturewas heated
  2. temperatureto reflux for approximately one hour
  3. customThe purple solid which separated
  4. filtrationwas collected by filtration
  5. customdried
  6. customrecrystallized twice from isopropyl acetate

出典と根拠

ORDレコード
ord-1724ba0d8a3f4650b9b3d458f85eebce
出典データセット
uspto-grants-1982_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US04322352

反応ノート

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