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Acetamide → HCID 86699223, compound

HRID 532622
Notes
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Reaction equation

HRID 532622 reaction equation
Br[C:2]1[CH:3]=[C:4]([C:8]2[C:12]3[CH2:13][C:14]4[S:15][CH:16]=[CH:17][C:18]=4[C:11]=3[N:10]([CH2:19][O:20][CH2:21][CH2:22][Si:23]([CH3:26])([CH3:25])[CH3:24])[N:9]=2)[CH:5]=[CH:6][CH:7]=1.[C:27]([NH2:30])(=[O:29])[CH3:28].C([O-])([O-])=O.[Cs+].[Cs+].CC1(C)C2C(=C(P(C3C=CC=CC=3)C3C=CC=CC=3)C=CC=2)OC2C(P(C3C=CC=CC=3)C3C=CC=CC=3)=CC=CC1=2>O1CCOCC1.CC([O-])=O.CC([O-])=O.[Pd+2]>[CH3:24][Si:23]([CH3:26])([CH3:25])[CH2:22][CH2:21][O:20][CH2:19][N:10]1[C:11]2[C:18]3[CH:17]=[CH:16][S:15][C:14]=3[CH2:13][C:12]=2[C:8]([C:4]2[CH:3]=[C:2]([NH:30][C:27](=[O:29])[CH3:28])[CH:7]=[CH:6][CH:5]=2)=[N:9]1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 178AcetamideHCID 10796Cesium carbonateHCID 6360441,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine)HCID 86699222HCID 86699222, compound

Product 1

HCID 86699223HCID 86699223, compoundYield 75%

Reagents, catalysts & solvents 2

HCID 167845
palladium(II) acetate
Catalyst
HCID 312751,4-DioxaneSolvent

Conditions

Temperature
100 °C

Procedure

A mixture of the corresponding intermediate 6-(3-Bromo-phenyl)-4-(2-trimethylsilanyl-ethoxymethyl)-4,7-dihydro-1-thia-4,5-diaza-cyclopenta[a]pentalene (0.45 g, 1.0 mmol), acetamide (0.15 g, 2.5 mmol), Cs2CO3 (2 M, 3.0 mL), Xantphos (58 mg, 0.1 mmol) and Pd(OAc)2 (22 mg, 0.1 mmol) in dioxane (5 mL) was heated at 100° C. for 8 hr. The solution was cooled to room temperature and extracted with ethyl acetate. The target product was purified by gravity column chromatography (50% EtOAc in hexane) to give N-{3-[4-(2-Trimethylsilanyl-ethoxymethyl)-4,7-dihydro-1-thia-4,5-diaza-cyclopenta[a]pentalen-6-yl]-phenyl}-acetamide as brown solid in 75% yield.

Workup

  1. temperatureThe solution was cooled to room temperature
  2. extractionextracted with ethyl acetate
  3. customThe target product was purified by gravity column chromatography (50% EtOAc in hexane)

Sources & evidence

ORD record
ord-c42898adfaca494fae792f8437d114f2
Source dataset
uspto-grants-2014_10
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08853207B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes