Direct Synthesis of Indanes via Iron-Catalyzed Dehydrative Coupling/Friedel–Crafts Cyclization of Two Different Alcohols
We report herein a novel iron-catalyzed cascade dehydrative coupling/Friedel–Crafts cyclization of two different alcohols, providing a variety of indanes, which are ubiquitous substructures found in natural products, pharmaceuticals, and functional materi
Sai, Masahiro
supporting information
p. 1102 - 1106
(2019/02/14)
Transfer off hydrogen from carbon-hydrogen bonds. Synthesis, structure, and reactions of tris[(triphenylstannyl)methyl]methane
Compounds in which a carbon-hydrogen bond is adjacent to several carbon-metal bonds promise to be particularly good donors of hydrogen. The synthesis, structure, and redox reactions of one member of this group of compounds, tris[(triphenylstannyl)methyl]methane (2), are reported. Triphenylcarbenium is reduced to triphenylmethane less rapidly by stannane 2 than by bis[(triphenylstannyl)methyl]methane (11). The unexpectedly low reactivity of stannane 2 is due to the adoption of a C3 conformation in which the central carbon-hydrogen bond is sterically shielded and gauche to the adjacent carbon-tin bonds.
Ducharme, Yves,Latour, Stephan,Wuest, James D.
p. 208 - 211
(2008/10/08)
Scope and Limitations of Aliphatic Friedel-Crafts Alkylations. Lewis Acid Catalyzed Addition Reactions of Alkyl Chlorides to Carbon-Carbon Double Bonds
Lewis acid catalyzed addition reactions of alkyl halides 1 with unsaturated hydrocarbons 2 have been studied. 1:1 addition products 3 are formed if the addends 1 dissociate faster than the corresponding products 3; otherwise, polymerization of 2 takes place.For reaction conditions under which 1 and 3 exist mainly undissociated, solvolysis constants of model compounds can be used to predict the outcome of any such addition reactions if systems with considerable steric hindrance are excluded.
Mayr, Herbert,Striepe, Wilhelm
p. 1159 - 1165
(2007/10/02)
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