Toluene → HCID 53881824, compound

HRID 1379448Notes

Reaction equation

HRID 1379448 reaction equation
[CH3:1][N:2]1[C@H:11]2[C@@:6]([CH3:17])([C:7]3[CH:15]=[CH:14][C:13](Br)=[CH:12][C:8]=3[CH2:9][CH2:10]2)[CH2:5][CH2:4][C:3]1=[O:18].[CH3:19][C:20]1[CH:25]=[CH:24][C:23](B(O)O)=[CH:22][CH:21]=1.C(=O)([O-])[O-].[Na+].[Na+].C1(C)C=CC=CC=1>ClCCl.[Pd].C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1>[CH3:1][N:2]1[C@H:11]2[C@@:6]([CH3:17])([C:7]3[CH:15]=[CH:14][C:13]([C:23]4[CH:24]=[CH:25][C:20]([CH3:19])=[CH:21][CH:22]=4)=[CH:12][C:8]=3[CH2:9][CH2:10]2)[CH2:5][CH2:4][C:3]1=[O:18]

Participants

7

Reactant 4

HCID 1140TolueneHCID 10340Sodium CarbonateHCID 79799Tolylboronic acidHCID 15355317(4aR)-(10bR)-4,10b-dimethyl-8-bromo-1,2,3,4,4a,5,6,10b-octahydrobenzo[f]quinolin-3-one

Product 1

HCID 53881824HCID 53881824, compoundYield 72.2%

Reagents, catalysts & solvents 2

HCID 11979704Tetrakis(triphenylphosphine)palladiumCatalystHCID 6344DichloromethaneSolvent

Procedure

A 15 mL round bottom flask was charged with (+)-(4aR)-(10bR)-4-methyl-8-bromo-10b-methyl-1,2,3,4,4a,5,6,10b-octahydrobenzo[f]quinolin-3-one (200 mg, 0.65 mmol), tetrakis (triphenylphosphine) palladium (0) (23 mg, 0.02 mmol), 4-methylphenylboronic acid (106 mg, 0.78 mmol), 0.65 mL of 2M sodium carbonate solution and 2 mL of toluene, fitted with a reflux condenser, and the stirred mixture was heated at 80°, under nitrogen, for 17 h. The mixture was cooled, diluted with dichloromethane (75 mL) and washed with brine (2×25 mL). The combined organic extracts were dried over sodium sulfate, concentrated, and purified by silica gel chromatography (ethyl acetate eluent), followed by recrystallization from ethyl acetate, to give 150 mg (72%) of the title compound as a white solid. mp 178°. FDMS: m/e=319. α[D]589 =+77.14 (c=1.00, chloroform).

Workup

  1. customfitted with a reflux condenser
  2. temperaturethe stirred mixture was heated at 80°, under nitrogen, for 17 h
  3. temperatureThe mixture was cooled
  4. washwashed with brine (2×25 mL)
  5. dry with materialThe combined organic extracts were dried over sodium sulfate
  6. concentrationconcentrated
  7. custompurified by silica gel chromatography (ethyl acetate eluent)
  8. customfollowed by recrystallization from ethyl acetate

Sources & evidence

ORD record
ord-5d16f9fd08d448e581a6b808d16b9248
Source dataset
uspto-grants-1997_09
Patent number
US05670514

Reaction notes

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