Zobrazeno 1 - 10
of 13
pro vyhledávání: '"J. Peter Clayton"'
Autor:
Walter J. Smith, Edward K. Chess, Michael L. Vieira, Michal Sabat, Robin P. Attrill, John H. C. Nayler, Kirk A. Ashline, Jeremy R. Everett, David E. Pereira, J. Peter Clayton, Ernest A. Cutmore, John W. Tyler
Publikováno v:
Journal of the Chemical Society, Perkin Transactions 2. :1559
High-field nuclear magnetic resonance spectroscopy, mass spectrometry, infrared spectroscopy, and ultraviolet spectroscopy were used to determine the structures of two novel degradation productions of the penicillins sodium nafcillin (1) and sodium o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e5fc0fb1c15b2fa535d256cf7beec9f8
https://doi.org/10.1039/p29900001559
https://doi.org/10.1039/p29900001559
Publikováno v:
Tetrahedron Letters. 21:881-884
A new antibiotic, pseudomonic acid C (2a), has been isolated from fermentations of the strain of Pseudomonas fluorescens which produces the known and structurally similar antibiotics pseudomonic acids A (1a) and B (1c).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::28f86a4526354583705786cf3a709bab
https://doi.org/10.1016/s0040-4039(00)71533-4
https://doi.org/10.1016/s0040-4039(00)71533-4
Publikováno v:
J. Chem. Soc., Perkin Trans. 1. :22-25
The action of methyl iodide and strong anhydrous base on methyl penicillanate or its 6α-bromo-derivative leads to S-methylation and cleavage of both thiazolidine and β-lactam rings, but with methyl 6,6-dibromopenicillanate the β-lactam system rema
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::84596f5e22c5e416203dc037c0b67d53
https://doi.org/10.1039/p19740000022
https://doi.org/10.1039/p19740000022
Publikováno v:
Chemischer Informationsdienst. 5
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0772d25c5d0998926f00c65f78b933f8
https://doi.org/10.1002/chin.197411502
https://doi.org/10.1002/chin.197411502
Autor:
Peter H. Bentley, J. Peter Clayton
Publikováno v:
J. Chem. Soc., Chem. Commun.. :278-279
Benzyl 6-isocyanopenicillanate (2a), has been utilised in the preparation of 6α-substituted penicillins.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c3929b24fbb378ba2b36a5021bcb96ed
https://doi.org/10.1039/c39740000278
https://doi.org/10.1039/c39740000278
Publikováno v:
Journal of the Chemical Society, Perkin Transactions 1. :561
The configuration of the double bond in pseudomonic acid A (1a) is shown to be E by comparison of the spectroscopic properties of its methyl ester (1b) with those of methyl isopseudomonate A (2) obtained from (1b) by photolysis. Ozonolysis of methyl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ef44b576905e3d2fc56b67a7f453d574
https://doi.org/10.1039/p19780000561
https://doi.org/10.1039/p19780000561
Publikováno v:
Journal of the Chemical Society, Perkin Transactions 1. :1352
The cyclisation of 3-mercapto-1,2,4-triazole (1a) and 2-mercaptoimidazole (7) with diethyl ethoxymethylenemalonate is shown to produce 6-ethoxycarbonyl[1,2,4]triazolo[3,2-b][1, 3]thiazin-5-one (2a) and 6-ethoxycarbonylimidazolo[2,1-b][1,3]thiazin-5-o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f361ff47a07e337fd3ad3d2452e30998
https://doi.org/10.1039/p19800001352
https://doi.org/10.1039/p19800001352
Publikováno v:
Journal of the Chemical Society, Perkin Transactions 1. :2827
A third and minor antibiotic component, designated pseudomonic acid C (1a),2 has been isolated from cultures of the strain Pseudomonas fluorescens NCIB 10586 which produced the structurally related pseudomonic acid A (2a) and B (3). The structure and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cf1e9fd58ce0cd53135ded8e0e5c933a
https://doi.org/10.1039/p19820002827
https://doi.org/10.1039/p19820002827
Publikováno v:
Journal of the Chemical Society, Perkin Transactions 1. :1347
The product obtained by treating 6-ethoxycarbonyl-7-hydroxypyrazolo[1,5-a]pyrimidine (2a) with ethyl iodide is shown by X-ray analysis to be 6-ethoxycarbonyl-4-ethylpyrazolo[1,5-a]pyrimidin-7(4H)-one (3a). When 3-amino-1,2,4-triazole (5a) was cyclise
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6957ae3b6d9ff84a7003cf412cc19894
https://doi.org/10.1039/p19800001347
https://doi.org/10.1039/p19800001347
Publikováno v:
Journal of the Chemical Society, Chemical Communications. :500
Condensation of 1,4-dichlorobut-3-en-2-one with malonic esters gives the corresponding Knoevenagel adducts which may be cyclised directly to thiophen-3-malonic esters or their selenophen analogues.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::74df421d57987f8412f4fb7ebbad7079
https://doi.org/10.1039/c39790000500
https://doi.org/10.1039/c39790000500