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Benzoin prelab(Su 07)

Benzoin prelab(Su 07) - Albert E Russell Steven P Miller...

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Must be checked by TA before lab begins 1)An organo-base mediated Cannizzaro reaction was reported in the chemical literature in 2006. The organo base used was 1,1,3,3-tetramethylguanidine or TMG. What is the product of the following reaction? (Hint: use your knowledge of searching the chemical lit. and your knowledge of chemistry to find the answer). Give the name of the journal, article title, authors, year and page numbers. Product: pyridin-4-ylmethanol Author: Deevi Basavaiah, Duddu Sharada, Ainelly Veerendhar Journal info: Tetrahedron Letters Volume 47, Issue 32 , 7 August 2006, Pages 5771-5774 Organo-based mediated Cannizzaro reaction 2)An intramolecular Cannizzaro reaction was reported in the chemical literature in 2000. What is the product of the following reaction? (Hint: use your knowledge of searching the chemical lit. and your knowledge of chemistry to find the answer). Give the name of the journal, article title, authors, year and page numbers. Journal: ACS Publications, Efficient Lewis Acid Catalyzed Intramolecular Cannizzaro Reaction
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Unformatted text preview: , Albert E. Russell, Steven P. Miller, and James P. Morken, November 5, 2000 J. Org. Chem., 65 (24), 8381 -8383, 2000. 10.1021/jo0010734 S0022-3263(00)01073-2 3) The first step in today’s reaction involves …? a) loss of an alpha-proton from benzaldehyde b) reaction of benzaldehyde with itself c) Attack of benzaldehyde by the cyanide anion 4) After completion of the reaction, the product is isolated through … a) distillation b) liquid-liquid extraction c) filtration 5) The cyanide anion is…? a) consumed in the reaction b) a catalyst for this reaction c) used to precipitate the product Name / Sec # _________________________________ / ________ Pre-Lab Worksheet Benzoin YOU MUST SAVE YOUR BENZOIN PRODUCT FOR THE NEXT LAB. KEEP YOUR PRODUCT IN A CONICAL VIAL THAT IS CAPPED WITH A SEPTUM. IF YOU THROW AWAY YOUR PRODUCT, YOU WILL LOSE 5 POINTS ON THE NEXT WORKSHEET (BENZIL)....
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Benzoin prelab(Su 07) - Albert E Russell Steven P Miller...

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