Zobrazeno 1 - 9
of 9
pro vyhledávání: '"N. E. Ermatov"'
Publikováno v:
Chemistry of Natural Compounds. 6:170-176
1. The structre of two new terpenoid coumarins have been established: colladin, C26H32O5, with mp 153–154° C (from ethanol), [αl D 22 - 65 (c 0.45; chloroform and colladonin, C24H30O4, mp 158.5–160° C (from ethanol), [α] D 22 -5-° (c 0.60; c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8cd43a409c1b5a2ce2153d1f9a8af4b3
https://doi.org/10.1007/bf00941672
https://doi.org/10.1007/bf00941672
Publikováno v:
Chemistry of Natural Compounds. 5:68-71
On the basis of chemical reactions and spectral data, the structures of the umbelliferone ethers of 3-oxo-1,2,5,9-tetramethyldecal-5-ylmethanol and of 3-hydroxy-1,2,5,9-tetramethyldecal-5-ylmethanol have been proposed for kamolone and kamolol, respec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d49a921813107dcf707e87df46acdef0
https://doi.org/10.1007/bf00633278
https://doi.org/10.1007/bf00633278
Publikováno v:
Chemistry of Natural Compounds. 6:297-300
The mass spectra of six compounds have been obtained: kamolone, kamolol, [D3]kamolone, [D]kamolol, kamolol acetate, and the terpene diol derived from kamolol. The fragmentation of these compounds under the action of electron impact have been discusse
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::72bc979a41a8b344f376b259ac83da2a
https://doi.org/10.1007/bf00567303
https://doi.org/10.1007/bf00567303
Publikováno v:
Chemistry of Natural Compounds. 4:125-128
From the roots ofLibanotis buchtormensis (Fisch.) D.C. have been isolated the furocoumarins bergapten, isoimperatorin, a pyranocoumarin, xanthogallol, and a new coumarin buchtormin C19H20O5, for which the structure (+)-3′-(β,β-dimethylacryloxy)-2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2c835733f0cce6c135c1d19d7a08508b
https://doi.org/10.1007/bf00565742
https://doi.org/10.1007/bf00565742
Publikováno v:
Chemistry of Natural Compounds. 11:737-739
The relative configurations of kamolol and kamolone have been established by the PMR method using paramagnetic shift reagents.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3d443f88e1fbd1d0a310ec44325043c7
https://doi.org/10.1007/bf00568457
https://doi.org/10.1007/bf00568457
Publikováno v:
Chemistry of Natural Compounds. 2:125-127
From the roots ofFerula penninervis Rgl. et Schmalh. have been isolated umbelliferone (7-hydroxycoumarin) and two new coumarins: a ketone with the composition C24H30O4, mp 191°–192° C and an alcohol C24H32O4, mp 141°–142° C, which have been n
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1645b995bab9fd3cb2850d16d6c1ef9f
https://doi.org/10.1007/bf01134229
https://doi.org/10.1007/bf01134229
Publikováno v:
Chemistry of Natural Compounds. 7:380-382
The mass spectra of ten angular and linear dihydropyranocoumarins without substituents and with hydroxy and acyloxy substituents in position 3 of the dimethylchroman ring have been studied. Depending on the presence and nature of these substituents t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e2acf50b1f43a3388db5bc6071a3b668
https://doi.org/10.1007/bf00564718
https://doi.org/10.1007/bf00564718
Publikováno v:
Chemistry of Natural Compounds. 5:189-190
A new coumarin C19H20O5 with mp 78–79° C, [α]D16+213° (c 1.00; chloroform) has been isolated from the roots ofLibanotis schrenkiana, and we have called it libanorin. On the basis of chemical and spectral characteristics, the structure of the β,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5f63ee4b723d029f9e823fe20dc35725
https://doi.org/10.1007/bf00683826
https://doi.org/10.1007/bf00683826
Publikováno v:
Chemistry of Natural Compounds. 5:45-46
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::05cbb7b25ff714ae67f85c386a5a9576
https://doi.org/10.1007/bf00564925
https://doi.org/10.1007/bf00564925