Potassium Carbonate → 1-Ethynyl-4-(1-methoxycyclopropyl)-benzene

HRID 841633Notes

Reaction equation

HRID 841633 reaction equation
[CH3:1][O:2][C:3]1([C:6]2[CH:11]=[CH:10][C:9]([C:12]#[C:13][Si](C)(C)C)=[CH:8][CH:7]=2)[CH2:5][CH2:4]1.C(=O)([O-])[O-].[K+].[K+]>CO>[C:12]([C:9]1[CH:10]=[CH:11][C:6]([C:3]2([O:2][CH3:1])[CH2:4][CH2:5]2)=[CH:7][CH:8]=1)#[CH:13]

Participants

4

Reactant 2

HCID 11430Potassium CarbonateHCID 22568890[4-(1-Methoxycyclopropyl)phenylethynyl]-trimethylsilane2×

Product 1

HCID 225689501-Ethynyl-4-(1-methoxycyclopropyl)-benzene

Reagents, catalysts & solvents 1

HCID 887MethanolSolvent

Procedure

Using General Procedure E; [4-(1-methoxycyclopropyl)-phenylethynyl]-trimethylsilane (Intermediate 60, 285.0 mg, 1.18 mmols) in methanol (10 mL was treated with potassium carbonate (100.0 mg, 0.72 mmol) and stirred overnight at ambient temperature. The crude alkyne (220 mg, 100%) was used directly in the next reaction.

Sources & evidence

ORD record
ord-05dba6f6088b486ebd77277df47aaa05
Source dataset
uspto-grants-2002_04
Patent number
US06369261B1

Reaction notes

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