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Triethylamine → 2-{2-[4-(1,2-Benziso-thiazol-3-yl)-1-piperazinyl]ethyl}naphtho[1,8-cd]isothiazole 1,1-dioxide

HRID 1087506
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HRID 1087506 반응식
Cl[CH2:2][CH2:3][N:4]1[C:8]2[CH:9]=[CH:10][CH:11]=[C:12]3[CH:13]=[CH:14][CH:15]=[C:6]([C:7]=23)[S:5]1(=[O:17])=[O:16].C(N(CC)CC)C.[S:25]1[C:29]2[CH:30]=[CH:31][CH:32]=[CH:33][C:28]=2[C:27]([N:34]2[CH2:39][CH2:38][NH:37][CH2:36][CH2:35]2)=[N:26]1>CN(C)C=O>[S:25]1[C:29]2[CH:30]=[CH:31][CH:32]=[CH:33][C:28]=2[C:27]([N:34]2[CH2:35][CH2:36][N:37]([CH2:2][CH2:3][N:4]3[C:8]4[CH:9]=[CH:10][CH:11]=[C:12]5[CH:13]=[CH:14][CH:15]=[C:6]([C:7]=45)[S:5]3(=[O:17])=[O:16])[CH2:38][CH2:39]2)=[N:26]1
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참가 물질

5

반응물 3

HCID 8471TriethylamineHCID 27721443-(1-Piperazinyl)-1,2-benzisothiazoleHCID 145800412-(2-Chloroethyl)naphtho[1,8-cd]isothiazole 1,1-dioxide

생성물 1

HCID 198170972-{2-[4-(1,2-Benziso-thiazol-3-yl)-1-piperazinyl]ethyl}naphtho[1,8-cd]isothiazole 1,1-dioxide수율 33.9%

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

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온도
20 °C

실험 절차

The experiment is carried out as in Example 1, starting with 2-(2-chloroethyl)naphtho[1,8-cd]isothiazole 1,1-dioxide (8.9 g), triethylamine (4.5 cc) and 4-(1,2-benzisothiazole-3-yl)piperazine (6.6 g) in dimethylformamide (95 cc). The mixture is heated for 8 hours at boiling point, then cooled to a temperature of about 20° C. After purification by flash-chromatography on a silica column, under a current of argon at medium pressure (0.5-1.5 bar) with ethyl acetate as eluant, and recrystallization from boiling acetonitrile (90 cc), 2-{2-[4-(1,2-benziso-thiazol-3-yl)-1-piperazinyl]ethyl}naphtho[1,8-cd]isothiazole 1,1-dioxide (4.6 g) is obtained, m.p. 162°.

후처리

  1. temperatureThe mixture is heated for 8 hours
  2. customAfter purification by flash-chromatography on a silica column
  3. customunder a current of argon at medium pressure (0.5-1.5 bar) with ethyl acetate as eluant, and recrystallization

출처 및 근거

ORD 기록
ord-d7d0d23276ba4a34a8282b1a0d38428c
출처 데이터셋
uspto-grants-1991_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05036075

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