1-브로모-2-(2-메톡시에톡시)에탄

그림문자(GHS)

• 그림문자(GHS)

  

• 신호 어

  Warning

• 유해·위험 문구

  H227：가연성 액체

• 예방조치문구

  P403+P235：환기가 잘 되는 곳에 보관하고 저온으로 유지하시오.

1-브로모-2-(2-메톡시에톡시)에탄 화학적 특성, 용도, 생산

• 화학적 성질

  clear colorless to pale yellow liquid

• 용도

  1-Bromo-2-(2-methoxyethoxy)ethane is an important raw material and intermediate used in organic synthesis, pharmaceuticals, agrochemicals and dyestuff.

• Synthesis

   General Procedure for Preparation of 1-Bromo-2-(2-methoxyethoxy)ethane: Into a 25-mL round bottomed flask equipped with magnetic stir bar, addition funnel and positive flow of nitrogen were placed 15.60 mmol of a ethyleneglycol monomethyl ether. The solution was stirred for 15 min in an ice bath before the dropwise addition of phosphorous tribromide (7.81 mmol) over a 10 min period. The solution was allowed to gradually warm and stir at room temperature (rt) for 14 hrs. The solution was then heated in a 90 °C oil bath for 1 hr, at which time the solution turned yellow. The solution was allowed to cool to rt, poured onto 30 g of ice/water mixture, and made slightly basic with addition of a 10% solution of NaHCO3 (~6 mL). Subsequent extraction with diethyl ether (Et2O) (3 x 30 mL), followed by drying over MgSO4 and concentration under reduced pressure afforded a colorless oil in sufficient purity for use in subsequent reactions.
  
  

1-브로모-2-(2-메톡시에톡시)에탄 준비 용품 및 원자재

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