Zobrazeno 1 - 10
of 14
pro vyhledávání: '"35"'
Autor:
Hitoshi Tatemitsu, Satoru Onaka, Yoshio Aso, Katsuya Sako, Mikio Yasutake, Shinobu Inoue, Teruo Shinmyozu, Toru Koga, Youichi Sakamoto, Ming Zhou, Shingo Komatsu
Publikováno v:
Journal of the American Chemical Society. 124:10136-10145
To develop an improved synthetic route to [36](1,2,3,4,5,6)cyclophane (CP) 2, a more practical synthetic route to [35](1,2,3,4,5)CP 3 than the original one was developed, which started from [32](1,...
Publikováno v:
Journal of the American Chemical Society. 115:11616-11617
Autor:
Carolyn B. Knobler, Emily F. Maverick, Kenneth N. Trueblood, S. Bruce Brown, Roger C. Helgeson, Donald J. Cram, Takahiro Kaneda
Publikováno v:
Journal of the American Chemical Society. 107:3645-3657
k2Cs2 = (~~~IU,/KSH+)~~C S~CH+C~,~~,+~,) Abstract: Spherands 1-5 and the related macrocycle 6 which are described in this paper are composed mainly of four to six aryloxy units attached to one another in such a way that the orbitals of the unshared e
Publikováno v:
Journal of the American Chemical Society. 110:4527-4532
Mesure des barrieres d'interconversion entre les deux conformeres enantiomeres de torsion par spectrometre RMN 1 H et 13 C. On montre que les substituants electrodonneurs et electroattracteurs en position 4 augmentent et diminuent respectivement la b
Autor:
Brandon Q. Mercado, Scott J. Miller, Nadia C. Abascal, Eric K. Paulson, Anthony J. Metrano, Anna E. Hurtley
Publikováno v:
Journal of the American Chemical Society
X-ray crystallography has been applied to the structural analysis of a series of tetrapeptides that were previously assessed for catalytic activity in an atroposelective bromination reaction. Common to the series is a central Pro-Xaa sequence, where
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
Publikováno v:
Journal of the American Chemical Society. 118:6924-6933
Computational predictions of planar tetracoordinate carbon R1R2CαLi2 arrangements in the cyclopropenyllithium dimer have now been realized experimentally in derivatives with additional chelating ligands. The dimer structures of two substituted cyclo
Autor:
J. Derek Woollins, Alexandra M. Z. Slawin, Lindesay Scott-Hayward, Michael Bühl, Amy L. Fuller, Yang Li
Publikováno v:
Journal of the American Chemical Society. 132(16)
The first fully automated small-molecule robotic X-ray diffractometer is described. After demonstrating the utility of the instrument using multiple samples of ammonium bitartrate, we investigated the conformational chirality of diphenyl dichalcogeni
Publikováno v:
Journal of the American Chemical Society. 114:9483-9492
Prolonged treatment of the tetrakis (tetrahydroborate) complexes Zr(BH{sub 4}{sub 4}) or Hf(BH{sub 4}){sub 4} with trimethylphosphine has given the first trinuclear group 4 polyhydrides, M{sub 3}H{sub 6}(BH{sub 4}){sub 6}(PMe{sub 3}){sub 4}, where M
Autor:
Mark R. Colsman, Timothy D. Newbound, M. D. Noirot, James S. Frye, Gary Wulfsberg, Steven H. Strauss, Oren P. Anderson, Laura J. Marshall, Mary M. Miller
Publikováno v:
Journal of the American Chemical Society. 112:2349-2362
The complexes [Ag(CH 2 Cl 2 )(OTeF 5 )] 2 , [Ag(1,2-C 2 H 4 Cl 2 )(OTeF 5 )] 2 , Ag 2 (CH 2 Cl 2 ) 4 Pd(OTeF 5 ) 4 , and Ag 2 (1,2-C 2 H 4 Cl 2 ) 4 Pd(OTeF 5 ) 4 have been prepared and studied by solution conductimetry, by tensimetric titrations with