Zobrazeno 1 - 10
of 36
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
Publikováno v:
Journal of the American Chemical Society. 120:10350-10358
Commercially available 5-methoxysalicylic acid 16 was converted into the o-quinone monoketal 21, which was attached to the enediyne 22, resulting in 23. After protection of the tert-alcohol 24 and conversion of the ester 25 to aldehyde 28, treatment
Publikováno v:
Journal of the American Chemical Society. 120:7260-7270
Photolysis of trans-[(cyclam)MnIII(N3)2](ClO4) (1) in methanol at −35 °C with ∼350 nm light produces blue [{trans-[(cyclam)MnV(N)]}2(μ-N3)](ClO4)3·3H2O (2) and dinitrogen (cyclam = 1,4,8,11-tetraazacyclotetradecane). A series of six-coordinate
Autor:
Anne K. Hickey, Daniel J. Mindiola, Jennifer Scott, Maren Pink, Marco G. Crestani, Hongjun Fan, Benjamin F. Wicker
Publikováno v:
Journal of the American Chemical Society. 134(49)
The anilide-methyl complex (PNP)Sc(NH[DIPP])(CH(3)) (1) [PNP(-) = bis(2-diisopropylphosphino-4-tolyl)amide, DIPP = 2,6-diisopropylphenyl] eliminates methane (k(avg) = 5.13 × 10(-4) M(-1) s(-1) at 50 °C) in the presence of pyridine to generate the t
Autor:
Frederick G. Bordwell, J.-P. Cheng
Publikováno v:
Journal of the American Chemical Society. 113:1736-1743
Oxidation potentials for 35 phenoxide ions and 3 naphthoxide ions have been combined with their pK HA values to estimated homolytic bond dissociation energies (BDEs) for the O-H bonds in phenols. Comparison with literature values shows that there is
Autor:
Alexey Fedorov, Jordan De Jesus Silva, Christophe Copéret, Samantha Grosslight, Matthew S. Sigman, Marco A. B. Ferreira
Publikováno v:
Journal of the American Chemical Society, 141 (27)
High-throughput experimentation and multivariate modeling allow identification of noncovalent interactions (NCIs) in monoaryloxy-pyrrolide Mo imido alkylidene metathesis catalysts prepared in situ as a key driver for high activity in a representative
Autor:
Reiner Anwander, Daniel Werner
Publikováno v:
Journal of the American Chemical Society. 140:14334-14341
The elusive Takai olefination reagent, namely, the iodo-methylidene Cr(III) complex [Cr2Cl4(CHI)(thf)4], has been isolated by careful handling of the reaction between CrCl2 and CHI3 in THF at −35 °C. Alternatively, treatment of [Cr(OSi(OtBu)3)2] w
Autor:
Johannes A. M. Hepperle, Brooks J. Culotta, Gerhard Erker, Allan Jay P. Cardenas, Stefan Grimme, Jeffrey L. Petersen, Roland Fröhlich, Armido Studer, Timothy H. Warren, Gerald Kehr, Constantin G. Daniliuc, Annika Stute, Birgitta Schirmer, Muhammad Sajid
Publikováno v:
Journal of the American Chemical Society
The intramolecular cyclohexylene-bridged P/B frustrated Lewis pair [Mes(2)P-C(6)H(10)-B(C(6)F(5))(2)] 1b reacts rapidly with NO to give the persistent FLP-NO aminoxyl radical 2b formed by P/B addition to the nitrogen atom of NO. This species was full
Publikováno v:
Journal of the American Chemical Society. 133:5413-5424
This work was undertaken with the aim to obtain direct evidence for the interrelationships between hetarylnitrenes, their ring-expanded cyclic carbodiimide isomers, and ring-opened nitrile ylides. Tetrazolo[1,5-a]quinoxaline 11T and tetrazolo[5.1-c]q
Publikováno v:
Journal of the American Chemical Society. 131:10406-10420
Reaction of UCl(4)(THF)(4) with 1,3-[2,5-(i-Pr)(2)PhNC( horizontal lineCH(2))](2)C(6)H(4)Li(2) produced a complex formulated as [{1,3-[2,5-(i-Pr)(2)PhNC( horizontal lineCH(2))](2)C(6)H(4)}UCl(3)][Li(THF)(4)] (1) that exhibits a nonagostic interaction