Diethyl Malonate → HCID 58447952, compound

HRID 592252Notes

Reaction equation

HRID 592252 reaction equation
Br[C:2]1[CH:3]=[CH:4][C:5]([N:8]2[CH2:13][CH2:12][S:11][CH2:10][CH2:9]2)=[N:6][CH:7]=1.[C:14]([O:22][CH2:23][CH3:24])(=[O:21])[CH2:15][C:16]([O:18][CH2:19][CH3:20])=[O:17].C1(C2C=CC=CC=2)C=CC=CC=1P(C(C)(C)C)C(C)(C)C.C(O[Na])(C)(C)C>C1(C)C=CC=CC=1.CC([O-])=O.CC([O-])=O.[Pd+2]>[S:11]1[CH2:12][CH2:13][N:8]([C:5]2[N:6]=[CH:7][C:2]([CH:15]([C:16]([O:18][CH2:19][CH3:20])=[O:17])[C:14]([O:22][CH2:23][CH3:24])=[O:21])=[CH:3][CH:4]=2)[CH2:9][CH2:10]1

Participants

7

Reactant 4

HCID 7761Diethyl MalonateHCID 27342152-(Di-tert-butylphosphino)biphenylHCID 177499624-(5-Bromopyridin-2-yl)thiomorpholineHCID 178418730sodium 2-methylpropan-2-olate

Product 1

HCID 58447952HCID 58447952, compound

Reagents, catalysts & solvents 2

HCID 167845palladium(II) acetateCatalystHCID 1140TolueneSolvent

Conditions

Temperature
98 °C

Procedure

A mixture of 4-(5-bromopyridin-2-yl)thiomorpholine 219-2 (2.37 g, 9.15 mmol), diethyl malonate (2.04 g, 12.8 mmol), Pd(OAc)2 (102 mg, 0.46 mmol), biphenyl-2-yl-di-tert-butylphosphine (270 mg, 0.9 mmol) and t-BuONa (1.76 g, 18.3 mmol) in toluene (45 ml) was stirred under argon at 98° C. for 1 hour. After cooled to room temperature, the mixture was filtered through celite and washed with ethyl acetate. The filtrate was evaporated and the residue was subjected to silica gel column chromatography to give diethyl 2-(6-thiomorpholinopyridin-3-yl)malonate 219-3.

Workup

  1. temperatureAfter cooled to room temperature
  2. filtrationthe mixture was filtered through celite
  3. washwashed with ethyl acetate
  4. customThe filtrate was evaporated

Sources & evidence

ORD record
ord-d6262110b13f4d77863b27e4a8985fe4
Source dataset
uspto-grants-2016_01
Patent number
US09238646B2

Reaction notes

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