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Cyproheptadine → 4-(10,11-dihydro-5H-dibenzo[a,d]cyclohepten-5-ylidene)-1-methylpiperidine

HRID 128635
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인쇄 미리보기

반응식

HRID 128635 반응식
[CH3:1][N:2]1[CH2:22][CH2:21][C:5](=[C:6]2[C:16]3[CH:17]=[CH:18][CH:19]=[CH:20][C:15]=3[CH:14]=[CH:13][C:12]3[CH:11]=[CH:10][CH:9]=[CH:8][C:7]2=3)[CH2:4][CH2:3]1.[H][H]>C(O)(=O)C.C(O)C.[Pt]=O>[CH:11]1[C:12]2[CH2:13][CH2:14][C:15]3[CH:20]=[CH:19][CH:18]=[CH:17][C:16]=3[C:6](=[C:5]3[CH2:4][CH2:3][N:2]([CH3:1])[CH2:22][CH2:21]3)[C:7]=2[CH:8]=[CH:9][CH:10]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 2

HCID 2913CyproheptadineHCID 178418361HCID 178418361, 화합물

생성물 1

HCID 1688974-(10,11-dihydro-5H-dibenzo[a,d]cyclohepten-5-ylidene)-1-methylpiperidine수율 94.2%

시약·촉매·용매 3

HCID 82844Platinum oxide (PtO)촉매HCID 176Acetic Acid용매HCID 702Ethanol
용매

실험 절차

Dissolved cyproheptadine (22.2 g, 0.077 mol) in 150 mL of glacial acetic acid and 20 mL of ethanol. Added platinum oxide catalyst (1.0 g), and hydrogenated on Paar shaker at 57 psi of hydrogen pressure for 5 hours. Filtered, and evaporated filtrate to give a solid. Recrystallized crude product from ether-pet ether to give 21.0 g (94% yield) of 4-(10,11-dihydro-5H-dibenzo[a,d]cyclohepten-5-ylidene)-1-methylpiperidine as a white solid.

후처리

  1. filtrationFiltered
  2. customevaporated filtrate
  3. customto give a solid
  4. customRecrystallized crude product from ether-pet ether

출처 및 근거

ORD 기록
ord-1683bda1f4484b42b484bd450eaf3c33
출처 데이터셋
uspto-grants-1995_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05464840

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