2-(2-브로모에틸)-2-메틸-1,3-디옥솔란

그림문자(GHS)

• 그림문자(GHS)

  

• 신호 어

  Warning

• 유해·위험 문구

  H227：가연성 액체

  H315：피부에 자극을 일으킴

  H319：눈에 심한 자극을 일으킴

• 예방조치문구

  P210：열·스파크·화염·고열로부터 멀리하시오 - 금연 하시오.

  P264：취급 후에는 손을 철저히 씻으시오.

  P264：취급 후에는 손을 철저히 씻으시오.

  P280：보호장갑/보호의/보안경/안면보호구를 착용하시오.

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

  P501：...에 내용물 / 용기를 폐기 하시오.

2-(2-브로모에틸)-2-메틸-1,3-디옥솔란 화학적 특성, 용도, 생산

• 용도

  2-(2-Bromoethyl)-2-methyl-1,3-dioxolane is a methyl vinyl ketone equivalent; alkylating agents for attaching a 3-ketobutyl group to various nucleophiles; the derived organometallic reagents attach this group to electrophilic centers such as carbonyl groups; major use in the synthesis of monoprotected 1,4-, 1,5-, and 1,6-diketones and related 1,n-difunctional compounds.

• 제조 방법

  Preparative Methods of 2-(2-Bromoethyl)-2-methyl-1,3-dioxolane: addition of methyl vinyl ketone to a two-phase mixture of benzene and conc aq HX, followed by drying of the benzene phase, addition of ethylene glycol, and removal of water with a Dean-Stark trap.

• 저장

  2-(2-Bromoethyl)-2-methyl-1,3-dioxolane stored at <=0 °C. even purified samples contain some β-halo ketone which slowly loses HX, catalyzing further decomposition.

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