[À¯±âÈÇнÇÇè] Ä´ÏÀÚ·Î ¹ÝÀÀ(Cannizzaro reaction)
1. Title
Ä´ÏÀÚ·Î ¹ÝÀÀ(Cannizzaro reaction)
2. Object
½ÇÇèÀ» ÅëÇØ Ä´ÏÀÚ·Î ¹ÝÀÀÀÇ ¸ÞÄ«´ÏÁòÀ» ¾Ë¾Æº¸±â À§ÇÔ
3. Principle
¥á-¼ö¼Ò°¡ ¾ø´Â ¾Ëµ¥È÷µå´Â °ÇÑ ¿°±â¼º ¿ë¾×¿¡¼ ¹ÝÀÀÇÏ¿© Ä«¸£º¹½Ç»êÀ½À̿°ú Ä«¸£ºñ³î ºÐÀÚ¸¦ »ý¼ºÇÑ´Ù. Cannizzaro ¹ÝÀÀÀ¸·Î ¾Ë·ÁÁø ÀÌ ¹ÝÀÀÀº ´Ù¸§°ú °°Àº ´Ü°è·Î ÁøÇàµÇ´Â °ÍÀ¸·Î °í·ÁµÈ´Ù.
¾Ëµ¥È÷µå´Â È÷µå·Ï½Ã À̿°ú ¹ÝÀÀÇÏ¿© À½ÀÌ¿ÂÀ» »ý¼ºÇϴµ¥ ÀüÀÚ À̵¿ÀÌ ³ªÅ¸³½ °Íó·³ ÀÌ À½ÀÌ¿ÂÀº ȯ¿ø¼ºÀ» °¡Áö¸ç Á¦ 2ÀÇ ¾Ëµ¥È÷µå ºÐÀÚ¿¡ ¼ö¼ÒÈÀÌ¿Â(H-)À» Á¦°øÇÒ ¼ö ÀÖ´Ù.
Æ÷¸§¾Ëµ¥È÷µåµµ ¸¶Âù°¡Áö·Î cannizzaro ¹ÝÀÀÀ» ÀÏÀ¸Å°¸ç ´Ù¸¥ ¾Ëµ¥È÷µå¿Í °úÀ×À¸·Î »ç¿ëÇÏ¸é ½ÇÁ¦·Î ÈÄÀÚ¸¦ ¿ÏÀüÈ÷ ¾ËÄڿ÷Πº¯È½ÃŲ´Ù.
C6H5CHO + HCHO + NaOH ¡æ C6H5CH2OH + HCOONa
±³Â÷ cannizzaro ¹ÝÀÀÀ¸·Î ºÒ¸®´Â ÀÌ ¹ÝÀÀÀº Æ÷¸§¾Ëµ¥È÷µå°¡ °¡Àå ½±°Ô »êȵǴ ¾Ëµ¥È÷µå ÁßÀÇ ÇϳªÀ̹ǷΠ½±°Ô ÀϾÙ.
ÀÌ ½ÇÇè¿¡¼ »ý¼ºµÇ´Â º¥Áú¾ÆÄÚ¿ÃÀº 3,5-µð´ÏÆ®·Îº¥Á¶»ê¿°À¸·Î È®ÀεȴÙ. ÀÌ À¯µµÃ¼´Â ÀϹÝÀûÀ¸·Î ¼Ò·®ÀÇ ¼öºÐÀ» ¡¦(»ý·«)
4. Apparatus & Reagent
1) Apparatus
2) Reagent
-15.19¡É
1) Prepare
¨ç 3g NaOH + 3ml H2O by 50ml erenmeyer flask
¨è Shaking ¨ç
¨é ¨è + 5ml benzaldehyde then close a cork
¨ê Shaking ¨é for 5minute
¨ë Remain the ¨ê for one day
2) Lucas test
¨ç Add the HCl-zinc chloride in benzyl alcohol some drop
¨è Make an experiment like 2-5experiment
3) Benzyl alcohol`s 3,5-dinitrobenzoic acid ester
¨ç 0.5g 3,5-dinitrobenzoic + 1g PCl5 in test tube
¨è Heating ¨ç slowly
¨é Cooling then remove a liquid
¨ê halogen acid + 1ml benzyl alcohol in test tube
¨ë heating ¨ê
¨ì Add the cool water 10ml in ¨ë
¨í Stir
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