Eliminations from (E)-2,4-Dinitrobenzaldehyde O-Aryloximes Promoted by R3N in MeCN. Effects of β-Aryl Group and Base-Solvent on the Nitrile-Forming Transition-State
نویسندگان
چکیده
منابع مشابه
Base-promoted elimination reactions of (E)- and (Z)-arylaldehyde O-benzoyloximes. Effects of stereochemistry, β-aryl group, and base-solvent on the nitrile-forming transition states
This account summarizes the results of mechanism studies on the nitrile-forming eliminations from (E)and (Z)-arylaldehyde O-benzoyloximes promoted by 1,8-diazabicyclo-[5.4.0]undec-7ene (DBU) in MeCN, R1R2NH in MeCN, and R1R2NH/R1R2NH2 in 70mol% MeCN(aq). The rate of anti-elimination was 36,000-fold faster than that of syn-elimination. The change of the βaryl group from Ph to thienyl to furyl sh...
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ژورنال
عنوان ژورنال: Bulletin of the Korean Chemical Society
سال: 2012
ISSN: 0253-2964
DOI: 10.5012/bkcs.2012.33.9.2976