AlcoholEtherAnswers

AlcoholEtherAnswers - Draw the missing reagents,...

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Practice Problems - Alcohols Propose a synthesis for the compounds below FROM CYCLOHEXANOL Br OH CO 2 H OH OH Propose a synthesis for the compounds below FROM CYCLOHEXANONE Base (e.g. tBuO-) or
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Propose synthetic steps to carry the transformations shown below (the number of steps may vary) O O Si HO Propose synthetic steps to carry the transformations shown below of steps may vary) OH OH OH (the number
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How could you prepare the following alcohols using the Grignard reaction? OH OH OH OH OCH 3 OH What is the major product for each of the following reaction? O O MgBr Br Mg O O O MgBr O CH 3 CH 2 MgBr CHO OH NaH CHO OH Na
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Practice Problems - Alcohols - cont'd How would you prepare the following alcohols starting from ALKENE OH OH OH OH OH OH OH OH
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What is the major product for each of the following reactions (think about the regio- stereo-chemistries carefully) H (BH 3 ) 2 H 2 O 2 HO - (BH 3 ) 2 H 2 O 2 HO - (BH 3 ) 2 H 2 O 2 HO - Hg(OAc) 2 NaBH 4 Hg(OAc) 2 NaBH 4 Hg(OAc) 2 NaBH 4 Hg(OAc) 2 NaBH 4 (BH 3 ) 2 H 2 O 2 HO - NO 2 O O Hg(OAc) 2 NaBH 4 Hg(OAc) 2 NaBH 4 (BH 3 ) 2 H 2 O 2 HO - (BH 3 ) 2 H 2 O 2 HO -
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Practice Problems - Alcohols - cont'd
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Unformatted text preview: Draw the missing reagents, intermediates or products O PhMgBr Heat, H+ 1) Hg(OAc) 2 2) NaBH 4 N O O N O O OH Bayer's insect repellent Pumiliotoxin (shown below) is a toxin produced by plants eaten by frogs. Why is it not possible to prepare this molecule using oxymercuration-demercuration? N H OH N O O Cl N Br O O N O O O Si Ph Ph CH 3 (shows reagents to go each way) Practice Problems - Ethers and more Br OH NaH OH Cl NaOH OH PBr 3 CF 3 CO 3 H NaOCH 2 CH 3 CH 3 NH 2 O NO 2 SH S-Na + OH H+ O-Na + NH 2 Propose synthetic steps to carry the transformations shown below (the number of steps may vary - PROTECTION MAY BE NEEDED) Propose synthetic steps to carry the transformations shown below (the number of steps may vary - PROTECTION MAY BE NEEDED) Br O O CHO OH OH Br HO HO OH OH NaH Br Br NaOH, H 2 O...
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This note was uploaded on 10/04/2010 for the course BIOL 200 taught by Professor Bureau during the Spring '06 term at McGill.

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AlcoholEtherAnswers - Draw the missing reagents,...

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