수소화붕소리튬, 보란 및 보란-염화리튬 (1 : 0.1)에 의한 카르보닐화합물의 선택환원 Selective Reduction of Carbonyl Compounds with Lithium Borohydride, Borane, and Borane-Lithium Chloride (1 : 0.1) in Tetrahydrofuran원문보기
수소화붕소리튬, 보란 그리고 보란-염화리튬(1:0.1)의 카르보닐화합물 환원에 있어서의 선택성을 5쌍의 대표적인 카르보닐화합물 쌍(벤즈알데히드-아세토페논, 벤즈알데히드-2-헵탄온, 2-헵탄온-벤조페논, 아세토페논-벤조페논, 2-헵탄온-아세토페논)에 대해서 이들 수소화물의 제한된 양을 반응시켜 알아보았다. 이들 수소화물중 보란-염화리튬(1:0.1)이 제일 선택성이 좋았고, 수소화붕소 리튬과 보란도 2-헵탄온-아세토페논 쌍을 제외하고는 좋은 선택성을 보였다.
수소화붕소리튬, 보란 그리고 보란-염화리튬(1:0.1)의 카르보닐화합물 환원에 있어서의 선택성을 5쌍의 대표적인 카르보닐화합물 쌍(벤즈알데히드-아세토페논, 벤즈알데히드-2-헵탄온, 2-헵탄온-벤조페논, 아세토페논-벤조페논, 2-헵탄온-아세토페논)에 대해서 이들 수소화물의 제한된 양을 반응시켜 알아보았다. 이들 수소화물중 보란-염화리튬(1:0.1)이 제일 선택성이 좋았고, 수소화붕소 리튬과 보란도 2-헵탄온-아세토페논 쌍을 제외하고는 좋은 선택성을 보였다.
In order to find out the selective reducing characteristics of lithium borohydride, borane, and borane-lithium chloride (1 : 0.1) in the reduction of carbonyl compounds, five representative equimolar mixtures of carbonyl compounds were chosen; benzaldehyde-acetophenone, benzaldehyde-2-heptanone, 2-h...
In order to find out the selective reducing characteristics of lithium borohydride, borane, and borane-lithium chloride (1 : 0.1) in the reduction of carbonyl compounds, five representative equimolar mixtures of carbonyl compounds were chosen; benzaldehyde-acetophenone, benzaldehyde-2-heptanone, 2-heptanone-benzophenone, acetophenone-benzophenone, and 2-heptanone-acetophenone, and reacted with limited amount of lithium borohydride, borane or borane-lithium chloride (1 : 0.1) in tetrahydrofuran (THF) at $0^{\circ}$. Borane-lithium chloride (1 : 0.1) showed the excellent selectivity, however, lithium borohydride and borane also exhibited good selectivity except for the 2-heptanone-acetophenone.
In order to find out the selective reducing characteristics of lithium borohydride, borane, and borane-lithium chloride (1 : 0.1) in the reduction of carbonyl compounds, five representative equimolar mixtures of carbonyl compounds were chosen; benzaldehyde-acetophenone, benzaldehyde-2-heptanone, 2-heptanone-benzophenone, acetophenone-benzophenone, and 2-heptanone-acetophenone, and reacted with limited amount of lithium borohydride, borane or borane-lithium chloride (1 : 0.1) in tetrahydrofuran (THF) at $0^{\circ}$. Borane-lithium chloride (1 : 0.1) showed the excellent selectivity, however, lithium borohydride and borane also exhibited good selectivity except for the 2-heptanone-acetophenone.
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