تفاعل #6705

معادلة التفاعل

ether

methoxyethoxymethyl chloride

4-iodophenol

sodium hydride

→

4-Methoxyethoxymethoxy-iodobenzene

المذيبات

tetrahydrofuran

ظروف التفاعل

المعالجة

1. 1
   درجة الحرارةwarmed to room temperature
2. 2
   workup.STIRRINGstirred under nitrogen for 24 hours
3. 3
   أخرىThe solvent was removed
4. 4
   غسيلwashed with 200 ml of 5% sodium hydroxide (4×200 ml), water (4×200 ml), saturated sodium chloride (1×200 ml)
5. 5
   تجفيفdried over sodium sulfate
6. 6
   أخرىEvaporation of the solvent under reduced pressure
7. 7
   أخرىgave an oily product in 14.1 g

الإجراء التجريبي

A solution of 4-iodophenol (10 g, 45.45 mmol) in 200 ml of anhydrous tetrahydrofuran was treated at 0° C. with sodium hydride (2.36 g, 60% dispersion, 59.09 mmol) for 5 minutes. To the resulting mixture was slowly added over a 5-minute period methoxyethoxymethyl chloride (8.3 ml, 72.73 mmol). The mixture was stirred at 0° C. for 30 minutes, warmed to room temperature, and stirred under nitrogen for 24 hours. The solvent was removed under reduce pressure. The residue was taken into 500 ml of ether, washed with 200 ml of 5% sodium hydroxide (4×200 ml), water (4×200 ml), saturated sodium chloride (1×200 ml), and dried over sodium sulfate. Evaporation of the solvent under reduced pressure gave an oily product in 14.1 g. TLC (silica gel, ether): Rf 0.5.

المصدر