Arylboronic Acid-Catalyzed C-Allylation of Unprotected Oximes: Total Synthesis of N-Me-Euphococcine
摘要:
O-Unprotected keto- and aldoximes are readily C-allylated with allyl diisopropyl boronate in the presence of arylboronic acid catalysts to yield highly substituted N-alpha-secondary and tertiary homoallylic hydroxylamines. The method was used in the total synthesis of the trace alkaloid N-Me-Euphococcine.
A Novel Application of Chloroperoxidase: Preparation of <i>gem-</i>Halonitro Compounds
作者:Aleksey Zaks、Asha V. Yabannavar、David R. Dodds、C. Anderson Evans、Pradip R. Das、Rodney Malchow
DOI:10.1021/jo961215n
日期:1996.1.1
Reactions d'oximation des cetones V. Mecanisme et effets de structure dans la reaction de deshydratation acido-catalysee des carbinolamines
作者:G. Lamaty、J.P. Roque、A. Natat、T. Silou
DOI:10.1016/s0040-4020(01)90552-6
日期:1986.1
Potential Synthetic Adaptogens: V. Synthesis of Cage Monoamines by the Schwenk–Papa Reaction
作者:I. A. Novakov、M. B. Nawrozkij、A. S. Mkrtchyan、S. N. Voloboev、O. V. Vostrikova、A. A. Vernigora、R.V. Brunilin
DOI:10.1134/s1070428019110162
日期:2019.11
The reduction of cage ketoximes under Schwenk-Papa reaction conditions was studied to establish that the D,L, D- and L-camphor oximes are smoothly reduced to the corresponding amines in high yields. At the same time, D,L-norcamphor and adamantan-2-one oximes undergo partial catalytic deoximation to form a mixture of the corresponding amines and alcohols.
Arylboronic Acid-Catalyzed <i>C</i>-Allylation of Unprotected Oximes: Total Synthesis of <i>N</i>-Me-Euphococcine
作者:Juha H. Siitonen、Padmanabha V. Kattamuri、Muhammed Yousufuddin、László Kürti
DOI:10.1021/acs.orglett.0c00727
日期:2020.3.20
O-Unprotected keto- and aldoximes are readily C-allylated with allyl diisopropyl boronate in the presence of arylboronic acid catalysts to yield highly substituted N-alpha-secondary and tertiary homoallylic hydroxylamines. The method was used in the total synthesis of the trace alkaloid N-Me-Euphococcine.
Copper-Catalyzed Ring-Opening Radical Trifluoromethylation of Cycloalkanone Oximes
作者:Zhonglin Liu、Haigen Shen、Haiwen Xiao、Zhentao Wang、Lin Zhu、Chaozhong Li
DOI:10.1021/acs.orglett.9b01803
日期:2019.7.5
conditions, providing an efficient and general entry to γ- or δ-CF3-substituted nitriles via tandem N–O and C(sp2)–C(sp3) bond cleavage and C(sp3)–CF3 bondformation. The protocol exhibits a broad substrate scope and wide functionalgroup compatibility. A radical mechanism involving the CF3 transfer from Cu(II)–CF3 complexes to alkyl radicals is proposed.