methyl 1-methylbutyl ether synthesis
- Product Name:methyl 1-methylbutyl ether
- CAS Number:6795-88-6
- Molecular formula:C6H14O
- Molecular Weight:102.17
Yield:6795-88-6 37%
Reaction Conditions:
at 50; for 3 h;
Steps:
3
300 mL of 2-pentanol, potassium hydroxide (manufactured by Wako Pure Chemical Industries, purity of about 85%), and the whole of the mixture was stirred at 50 ° C. for about 2.5 hours.When the potassium hydroxide was dissolved and became a homogeneous solution, 81 g of methyl p-toluenesulfonate was added from the dropping funnel over about 1 hour and strongly stirred at 50 ° C. for 3 hours.The reaction mixture was cooled to room temperature, the contents were transferred to a beaker, and the produced potassium p-toluenesulfonate was dissolved by adding water.The liquid in the beaker was transferred to a separatory funnel and the aqueous layer was separated to obtain a mixed solution of 2-pentyl methyl ether and 2-pentanol.The resulting mixture was charged in a distillation still and distilled using a KS type rectification column (manufactured by Toki Seiki Co., Ltd., column length 30 cm, filler helipack No. 1).The fraction having a column top temperature of 74 to 75 ° C. was collected and the azeotropically distilled water was separated with a separatory funnel and the obtained distillate was dried with molecular sieves 4 A to obtain 16 g of 2-pentyl methyl ether (Yield 37%).
References:
JP2017/122069,2017,A Location in patent:Paragraph 0052
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