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Unformatted text preview: 18-20 :0 : H-CN 3 OH CH CH2 -C-H CH3CH2-C-H
.. CN I I � '""" .. CN
I I 18-21 OH H-CN t-Bu-C-t-Bu -:C N t-Bu-C-t-Bu � CN CN 0 OH (a)� HCN vi' V OI H pcc 0 OH (b) . � H -�H HCN � H · . H CN OH (c) CHCOOH u clu Noteti:veMechanismsivofchargees. Theseattspeciatescarebonylycashorbon-t lifvredquenteachinchardegespeciecsklwiythneutrhalized posia rapiandpronegattr ansfnucl;r inophictl,ictheseacksteps arare tvere fastrest of tehe aswhollye mechaniissm.quiIn mostbotses, e e fa o tbbyeenSoludtionsshedn to showl showts epshesea mechanisasmhoccurraitneglyat. tThesamecttiicme e,ofeven thnoughese cahatovne his admoni tManual wi t of steps separ he pra showi g th youpro transfers in one step is legitimate as long as it is understood that these are fast steps.
::;:� :: ::::= .. (c) t-Bu-C-t-Bu err :o:� '"""
I I I II I all two two 408 ...
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This note was uploaded on 02/27/2010 for the course CHEM 140 taught by Professor Wade during the Spring '10 term at Whitman.
- Spring '10