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N-cyclopropyl-6-(trimethylstannyl)pyrazin-2-amine → 5-(3-(6-(cyclopropylamino)pyrazin-2-yl)-1-tosyl-1H-indol-5-yl)-N-(4-methoxybenzyl)-1,3,4-thiadiazol-2-amine

HRID 634136
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인쇄 미리보기

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HRID 634136 반응식
I[C:2]1[C:10]2[C:5](=[CH:6][CH:7]=[C:8]([C:11]3[S:15][C:14]([NH:16][CH2:17][C:18]4[CH:23]=[CH:22][C:21]([O:24][CH3:25])=[CH:20][CH:19]=4)=[N:13][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]1([NH:39][C:40]2[CH:45]=[N:44][CH:43]=[C:42]([Sn](C)(C)C)[N:41]=2)[CH2:38][CH2:37]1>CN(C=O)C.C(Cl)Cl.[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]1([NH:39][C:40]2[N:41]=[C:42]([C:2]3[C:10]4[C:5](=[CH:6][CH:7]=[C:8]([C:11]5[S:15][C:14]([NH:16][CH2:17][C:18]6[CH:19]=[CH:20][C:21]([O:24][CH3:25])=[CH:22][CH:23]=6)=[N:13][N:12]=5)[CH:9]=4)[N:4]([S:26]([C:29]4[CH:35]=[CH:34][C:32]([CH3:33])=[CH:31][CH:30]=4)(=[O:28])=[O:27])[CH:3]=3)[CH:43]=[N:44][CH:45]=2)[CH2:38][CH2:37]1
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참가 물질

7

반응물 2

HCID 68328378N-cyclopropyl-6-(trimethylstannyl)pyrazin-2-amineHCID 683285925-(3-iodo-1-tosyl-1H-indol-5-yl)-N-(4-methoxybenzyl)-1,3,4-thiadiazol-2-amine

생성물 1

HCID 683282795-(3-(6-(cyclopropylamino)pyrazin-2-yl)-1-tosyl-1H-indol-5-yl)-N-(4-methoxybenzyl)-1,3,4-thiadiazol-2-amine수율 23.6%

시약·촉매·용매 4

HCID 24350Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)
촉매
HCID 178418397HCID 178418397, 화합물촉매
HCID 6228Dimethylformamide용매
HCID 6344Dichloromethane용매

반응 조건

온도
100 °C

실험 절차

A glass microwave reaction vessel was charged with 5-(3-iodo-1-tosyl-1H-indol-5-yl)-N-(4-methoxybenzyl)-1,3,4-thiadiazol-2-amine (543 mg, 0.881 mmol) and N-cyclopropyl-6-(trimethylstannyl)pyrazin-2-amine (350 mg, 1.175 mmol) in DMF (3 mL) followed by copper(i) iodide (223 mg, 1.175 mmol) and Pd(PPh3)4 (67.9 mg, 0.059 mmol). The reaction was stirred and heated in a Initiator microwave reactor (Personal Chemistry, Biotage AB, Inc., Uppsala, Sweden) at 100° C. for 1 h, then diluted with DCM and washed with H2O. The organic layer was dried, filtered and concentrated. The residue was purified with silica gel chromatography (eluting with 20-60% EtOAc in Hex) to give 5-(3-(6-(cyclopropylamino)pyrazin-2-yl)-1-tosyl-1H-indol-5-yl)-N-(4-methoxybenzyl)-1,3,4-thiadiazol-2-amine (130 mg, 0.208 mmol, 17.74% for two steps). MS (ESI, pos. ion) m/z: 624 (M+1).

후처리

  1. customA glass microwave reaction vessel
  2. washwashed with H2O
  3. customThe organic layer was dried
  4. filtrationfiltered
  5. concentrationconcentrated
  6. customThe residue was purified with silica gel chromatography (eluting with 20-60% EtOAc in Hex)

출처 및 근거

ORD 기록
ord-28e5dcb78c6b41df8b4fbb226c73287b
출처 데이터셋
uspto-grants-2016_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09321756B2

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