Zobrazeno 1 - 10
of 565
pro vyhledávání: '"Madeleine, Helliwell"'
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 8, Iss 1, Pp 567-578 (2012)
A versatile nitro-Mannich/lactamisation cascade for the direct stereoselective synthesis of heavily decorated 5-nitropiperidin-2-ones and related heterocycles has been developed. A highly enantioenriched substituted 5-nitropiperidin-2-one was synthes
Externí odkaz:
https://doaj.org/article/b88a721abcf0475a97559eb7d52968ec
Autor:
Frans J. J. de Kanter, Eelco Ruijter, Romano V. A. Orru, Madeleine Helliwell, Elwin Janssen, Marten L. Ploeger, Art Kruithof
Publikováno v:
Molecules, Vol 17, Iss 2, Pp 1675-1685 (2012)
Non-fused 3,6-dihydro-2H-1,3-thiazine-2-thiones constitute a so far rather unexplored class of compounds, with the latest report dating back more than two decades. Thiazine-2-thiones contain an endocyclic dithiocarbamate group, which is often found i
Externí odkaz:
https://doaj.org/article/272d94a596804525b61ddf7108ea6f2f
Publikováno v:
ChemistrySelect. 4:13908-13911
Autor:
Richard E. P. Winpenny, Eric J. L. McInnes, Christopher A. Muryn, Floriana Tuna, Madeleine Helliwell, Rachel Shaw, Sumit Khanra
Publikováno v:
Materials, Vol 3, Iss 1, Pp 232-240 (2010)
The synthesis and structural characterization of two families of low-valent vanadium(III) {V6P4} and vanadium(III/IV) {V13P8} phosphonate complexes are reported. Magnetic characterization is reported for representative examples.
Externí odkaz:
https://doaj.org/article/9d35848b37c044afb8886390a46a622d
Publikováno v:
ARKIVOC, Vol 2008, Iss 14, Pp 166-179 (2008)
Externí odkaz:
https://doaj.org/article/04e4fdab1fc44050a76536fc455c2d80
Publikováno v:
ARKIVOC, Vol 2007, Iss 7, Pp 209-221 (2006)
Externí odkaz:
https://doaj.org/article/4b278d75167d4c00aa37b0decbbccb96
Publikováno v:
ARKIVOC, Vol 2000, Iss 5, Pp 832-839 (2000)
Externí odkaz:
https://doaj.org/article/ecf895e5b84942e6834623eb2d70fd2e
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 8, Pp m427-m427 (2013)
The crystal structure of the polymeric title compound, [Sn(C6H5)3(C12H10NO4)]n, comprises polymeric chains whereby adjacent Sn atoms are bridged by carboxylate and amide carbonyl O atoms [Sn—O = 2.115 (15) and 2.653 (1) Å, respectively]. The SnIV
Externí odkaz:
https://doaj.org/article/cddcc6fef4c24577a203817762ec4ee1
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 1, Pp o234-o234 (2012)
Reaction of 2-(4-chloro-3,3,7-trimethyl-2,3-dihydro-1H-indol-2-ylidene)propanedial with hydroxylamine gives the title compound, C14H14ClN3O, in which the ring N atom is essentially planar [sum of angles around the ring N atom = 361°], indicating con
Externí odkaz:
https://doaj.org/article/9b95a7648cb84e5c887fd50582958c4f
Autor:
Madeleine Helliwell, Mehdi M. Baradarani, Razieh Mohammadnejadaghdam, Arash Afghan, John A. Joule
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 1, Pp o233-o233 (2012)
In the title compound, C13H10Cl2N2O, the ring N atom and its three attached atoms are essentially coplanar with angles adding to 359.8°, indicating conjugation with the 2-formylacrylonitrile subunit. The aldehyde group is oriented to place the carbo
Externí odkaz:
https://doaj.org/article/f9c74767618c4603a732205985b7f08b