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Publikováno v:
Journal of the American Chemical Society. 122:2749-2757
The ability of surfactant aggregate−H2O interfaces to control the regioselectivity of Diels−Alder reactions has been investigated. Cycloadditions of surfactant 1,3-dienes 2-[[3-(dimethyldodecylsilyl)-1,3-butadien-2-yl]thio]-N,N,N-trimethyl-1-etha
Publikováno v:
Journal of the American Chemical Society. 116:186-197
The reactivity of the two isoelectronic cations (Hg2+ and T P ) toward the cyclopropane ring is compared, and further evidence for the exclusive corner selectivity for Hg2+ is provided by isotope labeling. Cleavage of cyclopropyl derivative 1 with Hg
Publikováno v:
Journal of the American Chemical Society. 128(25)
Nickel complexes having a bulky tri(sec-alkyl)phosphine ligand catalyze hydroheteroarylation of alkynes at 35 degrees C. Selective activation of an Ar-H bond over an Ar-CN bond of N-protected 3-cyanoindoles is achieved by a proper choice of ligand an