Zobrazeno 1 - 10
of 364
pro vyhledávání: '"Maurice Shamma"'
Autor:
Sankar Chatterjee, Maurice Shamma
Publikováno v:
Comptes Rendus Chimie. 18:127-131
Application of an N–C bond cleavage reaction in various structurally complex molecular frameworks containing bridge-head nitrogen atom offered differential outcomes that were attempted to rationalize invoking both steric and electronic factors.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::624e5bad387c7cb9fae4afbdbe372f57
https://doi.org/10.1016/j.crci.2014.04.006
https://doi.org/10.1016/j.crci.2014.04.006
Autor:
Probir Kumar Bose, B. Das, R. Das, Maurice Shamma, B. Tantisewie, Julie Banerji, Asima Chatterjee, Amarendra Patra
Publikováno v:
Phytochemistry. 36:1053-1056
A new aporphine alkaloid, kamaline, incorporating a novel urethane moiety and a glucoside unit, has been isolated from Stephania venosa .
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::82cccf719eb1152b52b3adc95431cb64
https://doi.org/10.1016/s0031-9422(00)90490-4
https://doi.org/10.1016/s0031-9422(00)90490-4
Autor:
Günay Sariyar, Maurice Shamma
Publikováno v:
Journal of natural products. 51(4)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::070c3261a0b495be5f35f6ccf4c60673
https://pubmed.ncbi.nlm.nih.gov/21401148
https://pubmed.ncbi.nlm.nih.gov/21401148
Publikováno v:
ChemInform. 22
C 37 H 36 N 2 O 6 .2CH 3 OH cristallise dans P2 1 /n avec a=11,034, b=33,399, c=10,416 A, β=114,25°, Z=4; affinement jusqu'a R=0,0594. Le cycle contenant N du groupement tetrahydroisoquinoleine adopte une conformation bateau tordu. Les plans moyens
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9e0cd40e951545d0f66d08177e5788d6
https://doi.org/10.1002/chin.199120267
https://doi.org/10.1002/chin.199120267
Publikováno v:
ChemInform. 22
C 29 H 39 ClO 7 cristallise dans P2 1 2 1 2 1 avec a=8,944, b=11,906, c=25,443 A, Z=4; affinement jusqu'a R=0,0374. La structure est composee de molecules discretes separees par des longueurs normales de Van der Waals. Le cycle A est en conformation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3f3c2eaa9137d58960746f0f7d2198b0
https://doi.org/10.1002/chin.199129257
https://doi.org/10.1002/chin.199129257
Publikováno v:
ChemInform. 22
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bd4be8219b73e78ee6c45dffe4b918c1
https://doi.org/10.1002/chin.199104306
https://doi.org/10.1002/chin.199104306
Publikováno v:
Journal of Natural Products. 54:554-563
Chilean Jaborosa magellanica has supplied a series of four new withanolides that incorporate a γ-lactone side chain as well as an extra hemiketalic ring. These withanolides are(-)-jaborotetrol {1}, (-)-jaborolone {5}, and the chlorinated (+)-jaboroc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0874cd9c607c4368a90807eb9c72d94a
https://doi.org/10.1021/np50074a031
https://doi.org/10.1021/np50074a031
Publikováno v:
Journal of Natural Products. 54:329-363
A listing of more than 90 tetracyclic erythrina-type alkaloids, originating mainly from Erythrina (Leguminosae) and Cocculus (Menispermaceae) plant species, is supplied, together with appropriate spectral data
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a71949bd3ce92f7c2a704cd41887bf4d
https://doi.org/10.1021/np50074a001
https://doi.org/10.1021/np50074a001
Publikováno v:
Journal of Natural Products. 54:161-166
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8587b42ec7fc23209749967880388ecf
https://doi.org/10.1021/np50073a014
https://doi.org/10.1021/np50073a014