Enantiopure vicinally trisubstituted all-cis-bis(hydroxymethyl)-cyclopentenols and their derivatives
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DOI: 10.1016/j.mencom.2018.09.033
Abstract: Oxidations of {(1R,4R,5S)-2-[tert-butyl(dimethyl)silyloxy-methyl]-4-(trimethylsilyl)cyclopent-2-en-1-yl}methanol with m-chloroperoxybenzoic acid (mCPBA) and dimethyldioxirane were studied. In the case of mCPBA, an allylicic alcohol expected according to the protodesilylation mechanism and an anomalous product of 1,2-migration of the Me3Si group… read more here.
Keywords: enantiopure vicinally; cis bis; vicinally trisubstituted; trisubstituted cis ... See more keywords
Conformational chiral polymorphism in cis-bis-triphenylphosphine complexes of transition metals
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DOI: 10.1039/c8ce00337h
Abstract: The structure of cis-[Mo(CO)4(PPh3)2] 1 was determined by F. A. Cotton, D. J. Darensbourg, S. Klein and B. W. S. Kolthammer, Inorg. Chem., 1982, 21, 1651–1655, with the space group P. A second polymorph 2… read more here.
Keywords: cis; cis bis; triphenylphosphine complexes; triphenylphosphine ... See more keywords
Bis[cyclic (alkyl)(amino)carbene] isomers: Stable trans-bis(CAAC) versus facile olefin formation for cis-bis(CAAC).
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DOI: 10.1039/d2cc01476a
Abstract: Isomeric bis(aldiminium) salts with a 1,4-cyclohexylene framework were synthesized. The first isolable bis(CAAC) was prepared from the trans-stereoisomer and its ditopic ligand competency was proven by conversion to iridium(I) and rhodium(I) complexes. Upon deprotonation, the… read more here.
Keywords: bis caac; bis; olefin; cis bis ... See more keywords