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N-isopropyl-6-(tributylstannyl)pyrazin-2-amine → 5-(3-(6-(isopropylamino)pyrazin-2-yl)-1-tosyl-1H-indol-5-yl)-N-(4-methoxybenzyl)-1,2,4-thiadiazol-3-amine

HRID 634257
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HRID 634257 반응식
I[C:2]1[C:10]2[C:5](=[CH:6][CH:7]=[C:8]([C:11]3[S:15][N:14]=[C:13]([NH:16][CH2:17][C:18]4[CH:23]=[CH:22][C:21]([O:24][CH3:25])=[CH:20][CH:19]=4)[N:12]=3)[CH:9]=2)[N:4]([S:26]([C:29]2[CH:35]=[CH:34][C:32]([CH3:33])=[CH:31][CH:30]=2)(=[O:28])=[O:27])[CH:3]=1.[CH:36]([NH:39][C:40]1[CH:45]=[N:44][CH:43]=[C:42]([Sn](CCCC)(CCCC)CCCC)[N:41]=1)([CH3:38])[CH3:37]>CN(C=O)C.[Cu]I.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[CH:36]([NH:39][C:40]1[N:41]=[C:42]([C:2]2[C:10]3[C:5](=[CH:6][CH:7]=[C:8]([C:11]4[S:15][N:14]=[C:13]([NH:16][CH2:17][C:18]5[CH:23]=[CH:22][C:21]([O:24][CH3:25])=[CH:20][CH:19]=5)[N:12]=4)[CH:9]=3)[N:4]([S:26]([C:29]3[CH:30]=[CH:31][C:32]([CH3:33])=[CH:34][CH:35]=3)(=[O:27])=[O:28])[CH:3]=2)[CH:43]=[N:44][CH:45]=1)([CH3:38])[CH3:37]
참가 물질반응 조건실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 2

HCID 68328197N-isopropyl-6-(tributylstannyl)pyrazin-2-amineHCID 683287145-(3-iodo-1-tosyl-1H-indol-5-yl)-N-(4-methoxybenzyl)-1,2,4-thiadiazol-3-amine

생성물 1

HCID 683286605-(3-(6-(isopropylamino)pyrazin-2-yl)-1-tosyl-1H-indol-5-yl)-N-(4-methoxybenzyl)-1,2,4-thiadiazol-3-amine수율 63.5%

시약·촉매·용매 3

HCID 24350Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)
촉매
HCID 178418397HCID 178418397, 화합물촉매
HCID 6228Dimethylformamide용매

반응 조건

온도
90 °C

실험 절차

A solution of 5-(3-iodo-1-tosyl-1H-indol-5-yl)-N-(4-methoxybenzyl)-1,2,4-thiadiazol-3-amine (0.78 g, 1.26 mmol) and N-isopropyl-6-(tributylstannyl)pyrazin-2-amine ((0.65 g, 1.52 mmol) in DMF (8 mL) was purged with argon for 15 min. To the above mixture, CuI (0.289 g, 1.52 mmol) and Pd(PPh3)4 (0.146 g, 0.126 mmol) was added and argon gas was purged for another 15 min. The reaction was heated at 90° C. for 1 h, then cooled to RT. The mixture was treated with ice cold H2O to obtain off brown precipitate. The precipitate was filtered and washed with H2O and dried. The crude was purified by neutral alumina column chromatography (eluent: 20% EtOAc in petroleum ether) to give 5-(3-(6-(isopropylamino)pyrazin-2-yl)-1-tosyl-1H-indol-5-yl)-N-(4-methoxybenzyl)-1,2,4-thiadiazol-3-amine (0.5 g, 63.5%) as an off brown solid. MS (ESI, pos. ion) m/z: 626.2 (M+1); 1H-NMR (300 MHz, DMSO-d6): δ 9.02 (brs, 1H), 8.70 (s, 1H), 8.18-8.16 (m, 1H), 7.99 (m, 2H), 7.65-7.75 (m, 3H), 7.44-7.40 (m, 3H), 7.30-7.28 (m, 2H), 1.70-7.68 (m, 1H), 6.88 (m, 1H), 4.42 (m, 2H), 3.71 (s, 3H), 2.31 (s, 3H), 1.56 (m, 6H).

후처리

  1. customargon gas was purged for another 15 min
  2. temperaturecooled to RT
  3. additionThe mixture was treated with ice cold H2O
  4. customto obtain off brown precipitate
  5. filtrationThe precipitate was filtered
  6. washwashed with H2O
  7. customdried
  8. customThe crude was purified by neutral alumina column chromatography (eluent: 20% EtOAc in petroleum ether)

출처 및 근거

ORD 기록
ord-3363c8dc7ff94e61a675bc99461074e1
출처 데이터셋
uspto-grants-2016_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09321756B2

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