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pro vyhledávání: '"35"'
Publikováno v:
Journal of the American Chemical Society. 114:1743-1749
pH-rate profiles, primary kinetic isotope effects, deuterium substitution patterns, and pH-product ratios in the presence of added nucleophiles provide evidence for the following overlapping set of mechanisms for the hydrolysis of methanesulfonyl chl
Autor:
R. W. Nagorski, John P. Richard
Publikováno v:
Journal of the American Chemical Society. 121:4763-4770
The lyoxide ion catalyzed intramolecular aldol addition reaction of 2-(2-oxopropyl)benzaldehyde (1) to give the aldol adduct 3 proceeds via essentially irreversible formation of the acetone-like enolate intermediate 2, because reprotonation of 2 by a
Publikováno v:
Journal of the American Chemical Society. 124(47)
Alkylation of N-nitrosourethane tetrabutylammonium salt (2-Bu(4)N) with four electrophiles (MeI, EtI, i-PrI, and PhCH(2)Br) was studied by (1)H NMR in CD(2)Cl(2) and CD(3)CN solutions. The ratio of the three regioisomers N-alkyl-N-nitrosourethane 3,
Autor:
James P. Ferris, Kunio Kawamura
Publikováno v:
Journal of the American Chemical Society. 116(17)
The rate constants for the condensation reaction of the 5'-phosphorimidazolide of adenosine (ImpA) to form dinucleotides and oligonucleotides have been measured in the presence of Na(+)-volclay (a Na(+)-montmorillonite) in pH 8 aqueous solution at 25