Zobrazeno 1 - 10
of 54
pro vyhledávání: '"Arthur Stempel"'
Autor:
Jean Janecek, Helen A. Ax, Arthur Stempel, Martha Kellett, Thomas H. Williams, David L. Pruess, Julius Berger, James P. Scannell
Publikováno v:
The Journal of Antibiotics. 27:229-233
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8a8969bd5c46b948c71e3d5a0dc2455f
https://doi.org/10.7164/antibiotics.27.229
https://doi.org/10.7164/antibiotics.27.229
Publikováno v:
The Journal of Antibiotics. 31:1226-1232
Streptomyces echinoruber sp. nov. produces several red pigments. The major component, rubrolone, has been identified as 8(R), 9(R), 10(S), 10a(R)-tetrahydro-9, 10, 1Oa, 11-tetrahydroxy-3, 8-dimethyl-l-propyl-6aH(S)-pyrano[2'', 3'': 5', 4]furo[2', 3':
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::783bbec8a32e6ae153911fd6f7bdc132
https://doi.org/10.7164/antibiotics.31.1226
https://doi.org/10.7164/antibiotics.31.1226
Autor:
James P. Scannell, Helen A. Ax, Arthur Stempel, Martha Kellettt, David L. Pruess, Homas H. Williams, John F. Blount
Publikováno v:
The Journal of Antibiotics. 27:754-759
1-(S)-Hydroxy-2-(S, S)-valylamido-cyclobutane-l-acetic acid was isolated from a fermentation broth of an unidentified Streptomyces species X-1092. The structure was determined by single crystal X-ray diffraction analysis of the p-bromophenylcarbamyl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b7f065f0b1a3bcaa4ef0ac9078e5dae3
https://doi.org/10.7164/antibiotics.27.754
https://doi.org/10.7164/antibiotics.27.754
Autor:
Thomas V. Steppe, Robert Kalish, Robert Y. Ning, Arthur Stempel, Archer Giles A, Barbara C. Sluboski, Leo Henryk Sternbach
Publikováno v:
Journal of Medicinal Chemistry. 20:1312-1317
Analogues of bromazepam [7-bromo-1,3-dihydro-5(2-pyridyl)-2H-1,4-benzodiazepin-2-one, A], which is a clinically useful minor tranquilizer, have been prepared by replacing the 2-pyridyl group at position 5 with 4-pyrimidyl (5), 2-pyrazinyl (8), 2,5-di
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::be1a8f5fabeeb2093ebde5c9d039afd6
https://doi.org/10.1021/jm00220a017
https://doi.org/10.1021/jm00220a017
Publikováno v:
Helvetica Chimica Acta. 57:936-940
6-Bromo-4-fluoro-1,3-dinitrobenzol ist ein wertvolles Reagens zur Herstellung kristalliner Derivate von Aminen, Phenolen und Alkoholen. Die resultierenden 5-Bromo-2,4-dinitrophenylverbindungen konnen zur Charakterisierung und Kristallstrukturanalyse
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c9dec1e4d5d2b83358b6f59b63d4bd24
https://doi.org/10.1002/hlca.19740570349
https://doi.org/10.1002/hlca.19740570349
Autor:
Thomas C. Demny, Florence Weiss, Arthur Stempel, David L. Pruess, Thomas H. Williams, James P. Scannell, Martha Kellett, Helen A. Ax, John F. Blount
Publikováno v:
The Journal of Antibiotics. 28:1-6
(S)-Alanyl-3-[alpha-(S)-chloro-3-(S)-hydroxy-2-oxo-3-azetidinylmethyl]-(S)-alanine was isolated from a fermentation broth of an unidentified Streptomyces species 372 A. The structure was determined by single crystal X-ray diffraction analysis. The su
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9d48f9120a8248927de889b3417ec737
https://doi.org/10.7164/antibiotics.28.1
https://doi.org/10.7164/antibiotics.28.1
Autor:
Arthur Stempel, John Westley, Ross G. Pitcher, David L. Pruess, R. H. Jr. Evans, Julius Berger, G. Harvey
Publikováno v:
The Journal of Antibiotics. 27:288-297
The biosynthesis of lasalocid A (formerly antibiotic X-537 A) in cultures of Strepto-myces lasaliensis has been studied using 13C- and 14C-labelled precursors. The antibiotic is derived from five acetate, four propionate and three butyrate units. Thi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f250844cad07390a08cc88d8158f3065
https://doi.org/10.7164/antibiotics.27.288
https://doi.org/10.7164/antibiotics.27.288
Publikováno v:
The Journal of Antibiotics. 27:597-603
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d7e7ec92b3f9d9478125af244df41139
https://doi.org/10.7164/antibiotics.27.597
https://doi.org/10.7164/antibiotics.27.597
Autor:
James P. Scannell, Thomas C. Demny, Thomas H. Williams, Arthur Stempel, David L. Pruess, Florence Weiss
Publikováno v:
The Journal of Antibiotics. 24:239-244
A new antibiotic was isolated from the fermentation broth of an unclassified species of Streptomyces. The antibiotic activity against Serratia sp. and Bacillus subtilis, grown in a chemically defined minimal medium, was reversed by the addition of L-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::de521bf910ccac27703d2c9d7110bec3
https://doi.org/10.7164/antibiotics.24.239
https://doi.org/10.7164/antibiotics.24.239
Publikováno v:
The Journal of Organic Chemistry. 29:332-336
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b7dfcbff90eaa3ce4acab7d2baa730f9
https://doi.org/10.1021/jo01025a020
https://doi.org/10.1021/jo01025a020