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Witting reaction.hwp   (3 Page)
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°úÇÐŽ±¸) °íµîÇб³/ wittin reaction(À§Ä£¹ÝÀÀ) ¿¡ ´ëÇÑ º¸°í¼ÀÔ´Ï´Ù/ ±×¸² Ç¥ Á¸Àç | |
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1. Abstract2. Data3. Scheme&Result Analysis (°èȹ ¹× °á°ú ºÐ¼®)4. Discussion1) Aliquat 336ÀÇ ¿ªÇÒÀº ¹«¾ùÀΰ¡?2) YieldÀÇ °á°ú¿¡ ´ëÇØ ³íÇϽÿÀ.3) 90-100µµ·Î ²úÀÌ´Â ÀÌÀ¯´Â ¹«¾ùÀΰ¡?4) E-alkene°ú Z-alkene¿¡ ´ëÇØ ³íÇϽÿÀ.5. Reference | |
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Witting reaction
1.Abstract À̹ø ½ÇÇèÀº ¾Ëµ¥ÇÏÀ̵åÀÎ Benzaldehyde¿Í witting reagentÀÎ diethyl benzyl phosponate¸¦ ¹ÝÀÀ½ÃÄѼ stilbeneÀ» ¸¸µå´Â °ÍÀÌ ¸ñÇ¥ÀÌ´Ù. ÀÌ ½ÇÇèÀ» ÅëÇؼ Witting reaction°ú Horner-Wadsworth-Emmons ReactionÀÇ °øÅëÁ¡°ú Â÷ÀÌÁ¡¿¡ ´ëÇØ ¾Ë¾Æº¼ ¼ö ÀÖÀ½À» ±â´ëÇÑ´Ù. »ý¼º¹°ÀÇ ¹«°Ô´Â 0.592gÀ̾úÀ¸¸ç, ¼öµæ·üÀº 67%°¡ ³ª¿Ô´Ù. 2.Data [Ç¥1] BenzaldehydeÀÇ ¹°¸®Àû ¼ºÁú[1] óÀ½¿¡ ³Ö¾îÁØ BenzaldehydeÀÇ ºÎÇÇ´Â 0.5ml¿´´Ù. BenzaldehydeÀÇ ¹Ðµµ´Â 1.044g/mlÀ̹ǷΠÀ» ³Ö¾îÁØ °ÍÀÌ´Ù. Áï, molÀ» ³Ö¾îÁØ °ÍÀÌ´Ù. 1°³ÀÇ Aldehyde¿¡ 1°³ÀÇ ¾ËÄËÀÌ ³ª¿À±â ¶§¹®¿¡ C6H5C2H2C6H5¶ÇÇÑ 0.0049molÀÌ ³ª¿Í¾ß Çϸç ÀÌ´Â g ÀÌ´Ù. ÇÏÁö¸¸ ½ÇÁ¦·Î ½ÇÇèÀ» ÅëÇؼ ¾ò¾î³½ »ý¼º¹°ÀÇ Áú·®Àº 0.592gÀ̸ç ÀÌ´Â molÀÌ´Ù. -TLC ÃøÁ¤°á°ú [±×¸²1]TLCÃøÁ¤°á°ú(1¹ø Benzaldehyde, 2¹ø co-spot, 3¹ø product) 1¹ø Benzaldehyde´Â 3.5cm Áß 1.1cm¸¦ Àü°³ÇÏ¿´´Ù. 2¹ø co-spotÀº 3.5cm Áß 0.9, 1.1, 2.5cm¸¦ Àü°³ÇÏ¿´´Ù. 3¹ø product´Â 3.5cm Áß 0.9, 2.5cm¸¦ Àü°³ÇÏ¿´´Ù. Chem. 1990, 55, 3386–88 |
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