Zobrazeno 1 - 10
of 89
pro vyhledávání: '"Richard N. Sheppard"'
Autor:
William P. Griffith, David J. Williams, Richard N. Sheppard, Andrew J. P. White, Bernardeta C. Parkin, Helena I. S. Nogueira
Publikováno v:
J. Chem. Soc., Dalton Trans.. :1775-1781
The new complexes [MO2L2]2–(H2L = 2,3- or 3,4-dihydroxybenzoic acid, 2,3-H2dhb or 3,4-H2dhb, M = Mo, W or Os; H2L = 2,6-dihydroxybenzoic acid, 2,6-H2dhb, M = Mo), [OsO2(py)2(2,6-dhb)](py = pyridine), [ReOl(PPh3)2L](H2L = 2,3-, 3,4- or 2,6-H2dhb) an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::151be8f3a87be6d199e4929752abe1f7
https://doi.org/10.1039/dt9950001775
https://doi.org/10.1039/dt9950001775
Publikováno v:
J. Chem. Soc., Perkin Trans. 1. :1121-1125
A new group of microbial metabolites, designated penitremones A–C, have been characterised by mass spectrometry and 1H and 13C NMR spectroscopy as 10-keto, 11,33-dihydro-variants of the penitrem indole-isoprenoid skeleton. The principal metabolite
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cdc7ad40737c308a4544e2c31eddfa15
https://doi.org/10.1039/p19950001121
https://doi.org/10.1039/p19950001121
Autor:
Peter G. Mantle, John N. Bilton, Karen A. Gurney, Jane M. Boyes-Korkis, Richard N. Sheppard, Julia Penn
Publikováno v:
Journal of Natural Products. 56:1707-1717
A novel bensodiasepine metabolite of an isolate of Penicillium aurantiogriseumfrom Yugoslavia has been characterised from spectral and biosynthetic evidence. The compound, anacine [1], has been produced on the 60-lirer fermenter scale after extensive
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3f067423ef730676480310d74dce8400
https://doi.org/10.1021/np50100a008
https://doi.org/10.1021/np50100a008
Autor:
John N. Bilton, Peter G. Mantle, Lucy J. Wigley, Richard Swift, Julia Penn, Richard N. Sheppard
Publikováno v:
Phytochemistry. 32:1431-1434
The structures of janthitrems B and C, the two most abundant tremorgenic mycotoxins produced by certain isolates of Penicillium janthinellum from New Zealand and Australia, have been elucidated by NMR spectroscopy. The compounds differ only by the ox
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e373e926741e6edb8876b1817657829b
https://doi.org/10.1016/0031-9422(93)85153-i
https://doi.org/10.1016/0031-9422(93)85153-i
Publikováno v:
ChemInform. 22
The work describes a unified strategy towards the preparation of model hydroxydihydrofuran acetal fragments (2) (3) and (45) common to the potent insect antifeedant and growth disruption agent azadirachtin (1). These units, along with other analogues
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::118661096749f20c6e32a0635afa98b0
https://doi.org/10.1002/chin.199148224
https://doi.org/10.1002/chin.199148224
Autor:
M. S. J. Simmonds, David J. Williams, Wood Anthony, E. D. Morgan, Richard N. Sheppard, Steven V. Ley, James C. Anderson, Stephen C. Smith, Alexandra M. Z. Slawin, W. M. Blaney
Publikováno v:
ChemInform. 23
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8bc716e02f9dee2e66757fb61ffe71f1
https://doi.org/10.1002/chin.199209306
https://doi.org/10.1002/chin.199209306
Publikováno v:
ChemInform. 23
A prominent novel analogue of penitrem A has been resolved from the tremorgenic alkaloids of a strain of Penicillium nigricans and the structure, elucidated by NMR spectroscopy, shown to involve the terminal diterpenoid isoprene in a cyclisation whic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::987795365a7c2d944ce06ede6a54f4ea
https://doi.org/10.1002/chin.199215275
https://doi.org/10.1002/chin.199215275
Autor:
M. Vicens, Angel Terrón, David M. L. Goodgame, Virtudes Moreno, J. J. Fiol, Richard N. Sheppard
Publikováno v:
ChemInform. 23
The synthesis in very mild conditions of three new nicotinic acid complexes of Cr(III) are reported. The D NMR study of the d2-nicotinic acid complexes reveals that nicotinic acid is bound to chromium(III) through the carboxylic group in all cases. T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ad1975e43c189255b505e7632e6ad842
https://doi.org/10.1002/chin.199229237
https://doi.org/10.1002/chin.199229237
Publikováno v:
ChemInform. 23
The structure of a novel indole alkaloid, glyantrypine 2, a main secondary metabolite of Aspergillus clavatus has been elucidated by biosynthetic evidence, mass spectrometry and 1H and 13C NMR techniques. The compound extends the variety of metabolit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cf27cf9fabf0c378412b040e5fc6ca34
https://doi.org/10.1002/chin.199239287
https://doi.org/10.1002/chin.199239287
Autor:
David J. Williams, Wood Anthony, Steven V. Ley, Richard N. Sheppard, Hartmuth C. Kolb, Stephen C. Smith, Alexandra M. Z. Slawin
Publikováno v:
ChemInform. 24
This paper describes a detailed analysis of the influence of various substituents on the stereochemical outcome of the intramolecular Diels–Alder cyclisation of a number of ether-linked trienes. In particular, the role of diene planarity in governi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::89af44eb046d8266cd953035b513f34e
https://doi.org/10.1002/chin.199310283
https://doi.org/10.1002/chin.199310283