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5-((Z)-2-(4-fluorophenyl)prop-1-enyl)-2,3,4,5-tetrahydro-2,8-dimethyl-1H-pyrido[4,3-b]indole → 5-(2-(4-fluorophenyl)propyl)-2,3,4,5-tetrahydro-2,8-dimethyl-1H-pyrido[4,3-b]indole

HRID 574576
Notes
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Reaction equation

HRID 574576 reaction equation
[F:1][C:2]1[CH:7]=[CH:6][C:5](/[C:8](/[CH3:25])=[CH:9]\[N:10]2[C:18]3[CH:17]=[CH:16][C:15]([CH3:19])=[CH:14][C:13]=3[C:12]3[CH2:20][N:21]([CH3:24])[CH2:22][CH2:23][C:11]2=3)=[CH:4][CH:3]=1.FC1C=CC(C(=C)CN2C3C=CC(C)=CC=3C3CN(C)CCC2=3)=CC=1>CO.C(O)(=O)C.[Pd]>[F:1][C:2]1[CH:3]=[CH:4][C:5]([CH:8]([CH3:25])[CH2:9][N:10]2[C:18]3[CH:17]=[CH:16][C:15]([CH3:19])=[CH:14][C:13]=3[C:12]3[CH2:20][N:21]([CH3:24])[CH2:22][CH2:23][C:11]2=3)=[CH:6][CH:7]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 2

HCID 461995815-((Z)-2-(4-fluorophenyl)prop-1-enyl)-2,3,4,5-tetrahydro-2,8-dimethyl-1H-pyrido[4,3-b]indoleHCID 594548975-(2-(4-fluorophenyl)allyl)-2,3,4,5-tetrahydro-2,8-dimethyl-1H-pyrido[4,3-b]indole

Product 1

HCID 578759635-(2-(4-fluorophenyl)propyl)-2,3,4,5-tetrahydro-2,8-dimethyl-1H-pyrido[4,3-b]indole

Reagents, catalysts & solvents 2

HCID 23938PalladiumCatalyst
HCID 10129899
Acetic acid methanol
Solvent

Procedure

A mixture of compound 5-((Z)-2-(4-fluorophenyl)prop-1-enyl)-2,3,4,5-tetrahydro-2,8-dimethyl-1H-pyrido[4,3-b]indole and 5-(2-(4-fluorophenyl)allyl)-2,3,4,5-tetrahydro-2,8-dimethyl-1H-pyrido[4,3-b]indole (of ratio 1:3, 1.8 g, 5.38 mmol, 1 equiv) were shaken in a 250 ml Parr Shaker vessel with 180 mg of Pd/C in 50 ml of Methanol/acetic acid (10:1) mixture for 18 hours under 60 psi H2. It was filtered over a celite bed with methanol and evaporated under vacuum. The residue was diluted with ethyl acetate (500 ml) and washed with 50 ml of satd. sodium bicarbonate solution and then brine. The organic part was concentrated under reduced pressure and column purified over 100-200 silica gel using 0 to 50% ethyl acetate in hexanes as eluant, at an interval of 5%. Yield: 685 mg (38%).

Workup

  1. filtrationIt was filtered over a celite bed with methanol
  2. customevaporated under vacuum
  3. additionThe residue was diluted with ethyl acetate (500 ml)
  4. washwashed with 50 ml of satd
  5. concentrationThe organic part was concentrated under reduced pressure and column
  6. custompurified over 100-200 silica gel using 0 to 50% ethyl acetate in hexanes as eluant, at an interval of 5%

Sources & evidence

ORD record
ord-a25546073a1548d182728256ca9c0ab8
Source dataset
uspto-grants-2015_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09034880B2

Reaction notes

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