Hydrochloric Acid → 1(3H)-Isobenzofuranone, 3-[2,4-bis(dimethylamino)phenyl]-4,5,6,7-tetrachloro-3-[4-(diethylamino)-2-methylphenyl]-

HRID 437874

反応式

[CH3:1][C:2]1[CH:22]=[C:21]([N:23]([CH2:26][CH3:27])[CH2:24][CH3:25])[CH:20]=[CH:19][C:3]=1[C:4]([C:6]1[C:14]([Cl:15])=[C:13]([Cl:16])[C:12]([Cl:17])=[C:11]([Cl:18])[C:7]=1[C:8](O)=[O:9])=[O:5].[CH3:28][N:29]([CH3:39])[C:30]1[CH:35]=[CH:34][CH:33]=[C:32]([N:36]([CH3:38])[CH3:37])[CH:31]=1.C(OC(=O)C)(=O)C.Cl>O>[CH3:37][N:36]([CH3:38])[C:32]1[CH:31]=[C:30]([N:29]([CH3:39])[CH3:28])[CH:35]=[CH:34][C:33]=1[C:4]1([C:3]2[CH:19]=[CH:20][C:21]([N:23]([CH2:24][CH3:25])[CH2:26][CH3:27])=[CH:22][C:2]=2[CH3:1])[C:6]2[C:7](=[C:11]([Cl:18])[C:12]([Cl:17])=[C:13]([Cl:16])[C:14]=2[Cl:15])[C:8](=[O:9])[O:5]1

参加物

反応条件

温度: 95 °C

実験手順

A mixture of 2-(2-methyl-4-(diethylamino)benzoyl)-3,4,5,6-tetrachlorobenzoic acid (22.4 g.), N,N,N',N'-tetramethyl-m-phenylenediamine (8.20 g.) and acetic anhydride (75 g.) was heated (to 95° C.) during one to two hours, then refluxed with dilute hydrochloric acid (32 g. concentrated hydrochloric acid plus 160 ml. water) during one and one-half hours. The resulting mixture was poured into water and the pH was adjusted. Recrystallization of the resulting product from toluene afforded 3-(2,4-bis(dimethylamino)phenyl)-3-(2-methyl-4-(diethylamino)phenyl)-4,5,6,7-tetrachlorophthalide (I: X= (CH3)2N, Y2 = CH3, Y4 = (CH3CH2)2N, Z4 = Z5 = Z6 = Z7 = Cl) (m.p. 236°-238° C.; after slurrying in acetone, 237°-239° C.).

後処理

customRecrystallization of the resulting product from toluene

出典と根拠

ORDレコード: ord-b98a5da561124a81adb2d50e4f16a19c
出典データセット: uspto-grants-1977_06
DOI: 10.6084/m9.figshare.5104873.v1
特許番号: US04032527

反応式

参加物

反応物 4

生成物 1

試薬・触媒・溶媒 1

反応条件

実験手順

後処理

出典と根拠

関連ノート