(PDF) ChemInform Abstract: Efficient Synthesis of
Cobalt-Catalyzed Selective Synthesis of Isoquinolines Abstract Picolinamide has first been employed as a traceless directing group for the cobalt-catalyzed oxidative annulation of benzylamides with alkynes to synthesize isoquinolines through C–H/N–H bonds activation. Oxygen is used as a terminal oxidant. This protocol exhibits good functional group tolerance and excellent regioselectivity. Alcohol or phenol synthesis by ether cleavage A tethered alkene functionality can be used as a traceless directing group for a zirconium catalyzed reductive cleavage of C sp 3 and C sp 2 carbon-heteroatom bonds, including C-O, C-N, and C-S bonds. The reaction is especially useful for cleavage of homoallylic ethers and the removal of terminal allyl and propargyl groups. A Traceless Directing Group for C-H Borylation | Request PDF Directing group, removable directing group, traceless directing group and transient directing group (TDG) were successively used to improve the efficiency. For further development of greener and Traceless Directing Group for Stereospecific Nickel
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Feb 04, 2016 (PDF) Synthetic Methods Use of a Traceless Activating and This method takes advantage of the nitro group as a traceless activating and directing group (TADG) that is released in the aromatization step to produce 4-substituted 3-perfluoroalkyl pyrazoles ChemInform Abstract: Traceless Directing Group for
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Feb 02, 2013 Silanol - a Traceless Directing Group for Pd-Catalyzed o Aug 17, 2011 Stereospecific Nickel-Catalyzed Cross-Coupling Reactions Aug 18, 2015 有机化学里"traceless directing"是什么意思? - 知乎 有机化学论文里的"traceless directing"和"traceless directing group"是什么意思？