Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Songwen Xie"'
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 6, Pp o1443-o1443 (2010)
The racemic title compound, C16H20O3, was synthesized to study the hydrogen-bonding interaction of the two enantiomers in the solid state. In the crystal structure, R and S pairs of the racemate are linked by pairs of intermolecular O—H...O hydroge
Externí odkaz:
https://doaj.org/article/a62602e776534ce99c7216362930e26b
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 6, Pp o1516-o1516 (2010)
The title compound, C16H20O3, was synthesized to study the hydrogen-bonding interactions of the two enantiomers in the solid state. Intermolecular O—H...O hydrogen bonds produce centrosymmetric R22(8) rings which dimerize the two chiral enantiomers
Externí odkaz:
https://doaj.org/article/ccb7dbace34e4ebd971cce3d53ca0686
Publikováno v:
Acta Crystallographica Section E, Vol 64, Iss 10, Pp o1869-o1869 (2008)
The title compound, C16H20O2, was synthesized to study the hydrogen-bonding interaction of the two enantiomers in the solid state. The racemate is made up of carboxylic acid RS dimers. Intermolecular O—H...O hydrogen bonds produce centrosymmetric R
Externí odkaz:
https://doaj.org/article/ad540bf2bf1c456dbfdabb65ae1ebae2
Publikováno v:
Acta Crystallographica Section E, Vol 64, Iss 3, Pp o554-o554 (2008)
The chirality of the title compound, C19H26O2, is solely generated by the presence of the double bond in the cyclohexene ring. This compound was synthesized to study the interaction of the two enantiomers in the solid state. The resultant racemate is
Externí odkaz:
https://doaj.org/article/3d8e8f69156247e1a8e28aeb7fff6af3
Autor:
Toyokazu Horii, Vera M. Kolb, Roch Chan-Yu-King, Yuqing Hou, Songwen Xie, Paul B. Sandrock, Thomas E. Parady, Walter S. Matthews, Cal Y. Meyers, Duy H. Hua
Publikováno v:
The Journal of Organic Chemistry. 68:500-511
Most alkyl phenyl sulfones are readily alpha-chlorinated with CCl(4) and alpha-brominated with CBrCl3 in KOH-t-BuOH via radical-anion radical pair (RARP) reactions. While isopropyl mesityl sulfone (4) is easily alpha-chlorinated with CCl(4), it was c
Publikováno v:
Acta Crystallographica Section E Structure Reports Online. 63:o1660-o1662
Publikováno v:
Acta Crystallographica: Section E. Aug2004, Vol. 60 Issue 8, po1362-o1364. 3p.
Publikováno v:
Acta Crystallographica Section E Structure Reports Online. 60:o1362-o1364
The synthesis of (1SR,2SR,5RS,6RS)-5-ethyl-4-(4-methoxyphenyl)-2,6-dimethyl-3-cyclohexenecarboxylic acid was accompanied by the formation of a by-product shown to differ only by the absence of the 5-ethyl group. That mixture was subjected t
Publikováno v:
Acta Crystallographica Section E Structure Reports Online. 59:o403-o405
The title bicyclic δ-lactone, C19H26O3, (I), was formed in the reaction of (\pm)-cis-2,6,6-trimethyl-trans-3-ethyl-4-oxocyclohexanecarboxylic acid with p-methoxyphenylmagnesium bromide, following acidification. The kinetically favored
Publikováno v:
Acta Crystallographica Section E Structure Reports Online. 58:o1460-o1462
The synthesis, isolation, and definitive diasteriomeric characterization of the racemic title compound, C18H24O3, (I), was accomplished. The two enantiomers are hydrogen bonded through their respective carboxylic acid groups, forming an octagonal b