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Hydroxylamine → (NE)-N-[2-[8-[(4-methyl-2-propylbenzimidazol-1-yl)methyl]-6H-benzo[c][1]benzoxepin-11-ylidene]ethylidene]hydroxylamine

HRID 452166
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HRID 452166 반응식
[CH3:1][C:2]1[C:10]2[N:9]=[C:8]([CH2:11][CH2:12][CH3:13])[N:7]([CH2:14][C:15]3[CH:32]=[CH:31][C:18]4/[C:19](=[CH:28]\[C:29]#[N:30])/[C:20]5[CH:27]=[CH:26][CH:25]=[CH:24][C:21]=5[O:22][CH2:23][C:17]=4[CH:16]=3)[C:6]=2[CH:5]=[CH:4][CH:3]=1.N[OH:34].O>C(O)C>[CH3:1][C:2]1[C:10]2[N:9]=[C:8]([CH2:11][CH2:12][CH3:13])[N:7]([CH2:14][C:15]3[CH:32]=[CH:31][C:18]4[C:19](=[CH:28]/[CH:29]=[N:30]/[OH:34])[C:20]5[CH:27]=[CH:26][CH:25]=[CH:24][C:21]=5[O:22][CH2:23][C:17]=4[CH:16]=3)[C:6]=2[CH:5]=[CH:4][CH:3]=1
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참가 물질

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반응물 3

HCID 787HydroxylamineHCID 962WaterHCID 67210398(E)-2-{8-(4-methyl-2-propylbenzimidazol-1-yl)methyl-6,11-dihydrodibenzo[b,e]oxepin-11-ylidene}acetonitrile

생성물 1

HCID 154041456(NE)-N-[2-[8-[(4-methyl-2-propylbenzimidazol-1-yl)methyl]-6H-benzo[c][1]benzoxepin-11-ylidene]ethylidene]hydroxylamine수율 93.9%

시약·촉매·용매 1

HCID 702
Ethanol
용매

실험 절차

[step 1] (E)-2-{8-(4-Methyl-2-propylbenzimidazol-1-yl)methyl-6,11-dihydrodibenzo[b,e]oxepin-11-ylidene}acetonitrile (310 mg, 0.74 mmol) obtained in Example 104, step 1 was dissolved in ethanol (3.7 mL), hydroxylamine (50% aqueous solution, 2.3 mL, 36.95 mmol) was added, and the mixture was stirred under reflux for 16 hr. Water was added to the mixture, and the precipitated solid was collected by filtration to give (E)-2-[8-(4-methyl-2-propylbenzimidazol-1-yl)methyl-6,11-dihydrodibenzo[b,e]oxepin-11-ylidene]acetaldoxime (304 mg, 91%). [step 2] Using (E)-2-[8-(4-methyl-2-propylbenzimidazol-1-yl)methyl-6,11-dihydrodibenzo[b,e]oxepin-11-ylidene]acetaldoxime (150 mg, 0.33 mmol) obtained in step 1 and in the same manner as in Example 107, the title compound (compound 108) (7.1 mg, 5%) was obtained.

후처리

  1. temperatureunder reflux for 16 hr
  2. filtrationthe precipitated solid was collected by filtration

출처 및 근거

ORD 기록
ord-81b0256bf7c24658a6bceaa43905dbff
출처 데이터셋
uspto-grants-2013_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08486980B2

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