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1,5-Dibromopentane → cyclopropyl-(6-methyl-4-piperidin-1-yl-2,3-dihydro-1H-8-thia-7-aza-cyclopenta[a]inden-5-yl)-methanone

HRID 133544
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HRID 133544 반응식
[NH2:1][C:2]1[C:10]2[C:9]3[CH2:11][CH2:12][CH2:13][C:8]=3[S:7][C:6]=2[N:5]=[C:4]([CH3:14])[C:3]=1[C:15]([CH:17]1[CH2:19][CH2:18]1)=[O:16].[H-].[Na+].Br[CH2:23][CH2:24][CH2:25][CH2:26][CH2:27]Br>CN(C=O)C>[CH:17]1([C:15]([C:3]2[C:4]([CH3:14])=[N:5][C:6]3[S:7][C:8]4[CH2:13][CH2:12][CH2:11][C:9]=4[C:10]=3[C:2]=2[N:1]2[CH2:27][CH2:26][CH2:25][CH2:24][CH2:23]2)=[O:16])[CH2:19][CH2:18]1
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참가 물질

5

반응물 3

HCID 81001,5-DibromopentaneHCID 24758Sodium hydrideHCID 68896523(4-amino-6-methyl-2,3-dihydro-1H-8-thia-7-aza-cyclopenta[a]inden-5-yl)-cyclopropyl-methanone

생성물 1

HCID 11688694cyclopropyl-(6-methyl-4-piperidin-1-yl-2,3-dihydro-1H-8-thia-7-aza-cyclopenta[a]inden-5-yl)-methanone수율 54%

시약·촉매·용매 1

HCID 6228Dimethylformamide
용매

실험 절차

To a stirred solution of 12 mg (0.044 mmol) of (4-amino-6-methyl-2,3-dihydro-1H-8-thia-7-aza-cyclopenta[a]inden-5-yl)-cyclopropyl-methanone in 2 ml DMF was added 3.0 mg (0.066 mmol) NaH (55% in oil). After 20 minutes, 10 □l (0.044 mmol) of 1,5-dibromo-pentane and stirring was continued at RT over the night. The mixture was poured onto water and extracted three times with ethyl acetate. The combined organic phases were dried over sodium sulfate and concentrated in vacuo. Flash chromatography (heptane/ethyl acetate 6:1) afforded 8 mg (54%) cyclopropyl-(6-methyl-4-piperidin-1-yl-2,3-dihydro-1H-8-thia-7-aza-cyclopenta[a]inden-5-yl)-methanone as a white solid. ES-MS m/e (%): 341 (M+H+, 100).

후처리

  1. customwas continued at RT over the night
  2. additionThe mixture was poured onto water
  3. extractionextracted three times with ethyl acetate
  4. dry with materialThe combined organic phases were dried over sodium sulfate
  5. concentrationconcentrated in vacuo

출처 및 근거

ORD 기록
ord-34056c9d4db34264a74cc4456791b51e
출처 데이터셋
uspto-grants-2008_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07390903B2

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