Zobrazeno 1 - 10
of 49
pro vyhledávání: '"Roland Fellous"'
Publikováno v:
Journal of Essential Oil Research. 16:560-565
A hydrodistilled oil from Corymbia citriodora Hook. produced from leaves harvested in the Reunion Island was analyzed by GC and GC/MS on nonpolar and polar columns, respectively. Nearly 100 constituents were identified. The major constituents were ci
Autor:
C. Andreoli, L. Lizzani Cuvelier, Xavier Fernandez, André-Michel Loiseau, J. Garnero, C. Pierre Leandri, Roland Fellous
Publikováno v:
Journal of Essential Oil Research. 15:242-247
Essential oils from leaves of cypress cultivated in France that originated from various geographic origins were analyzed by GC/MS. In total 120 constituents were characterized, from which 46, 57, 52, 57, 59, 67, and 58 compounds were found in the oil
Publikováno v:
Flavour and Fragrance Journal. 18:52-56
The synthesis of 2-mercapto-p-menth-8-ene (3) and 1-mercapto-p-menth-8-ene (4) are described, starting, respectively, from thioepoxydation of (+)-trans-limonene 1,2-epoxide (1a) and (+)-cis-limonene 1,2-epoxide (1b) via hydride reduction of episulphi
Autor:
Louisette Lizzani-Cuvelier, Michel Loiseau, Xavier Fernandez, Elisabet Duñach, Roland Fellous
Publikováno v:
Flavour and Fragrance Journal. 17:432-439
The selective oxidation reactions of thiazolidines were studied. The synthesis of 2- and 3-thiazolines, as well as that of thiazoles, thiazolidine-1-oxides and thiazolidine-1,1-dioxides, are presented. Olfactory analysis of several of these compounds
Publikováno v:
Sulfur Letters. 25:145-149
Photochemical acetylthiolation of (-)-sabinene 1 afforded 10-acetylthiothujane 2 and an unexpected cyclopentenyl methyl thioacetate 3 in moderate yield (24%). Hydride reduction of these two latter compounds gave two monoterpenoid thiols ( 2a and 3a )
Publikováno v:
Sulfur Letters. 25:29-36
Photochemical thioacetylation of (s−)- i -cadinene 1 afforded 5-acetylthio-cadinene 1a which was further reduced into 5-mercapto-cadinene 1b in good yield (80%). Thioepoxydation of trans -1,10-cadinene oxide 1c , prepared from m -CPBA oxidation of
Autor:
S. Yolka, S. Rochard, Michel Loiseau, Elisabet Duñach, Louisette Lizzani-Cuvelier, Christine Schippa, Roland Fellous, Gérard George
Publikováno v:
Flavour and Fragrance Journal. 17:425-431
3-Propyl-γ-sultine has been identified for the first time in extracts of yellow passion fruit (Passiflora edulis f. flavicarpa). The chemical structure of this new molecule was confirmed by synthesis. Some other analogues were prepared using a gener
Autor:
Christine Schippa, Michel Loiseau, Xavier Fernandez, Louisette Lizzani-Cuvelier, Vincent Dompe, S. Rochard, Roland Fellous, Gérard George, Francis Cozzolino, Elisabet Duñach
Publikováno v:
Flavour and Fragrance Journal. 16:274-280
Volatile compounds from guava (Psidium guajava L.) were extracted using dichloromethane. Among these volatile compounds, methyl 2-methyl-thiazolidine-4-(R)-carboxylate (cis and trans) and the ethyl 2-methyl-thiazolidine-4-(R)-carboxylate (cis and tra
Publikováno v:
Journal of Essential Oil Research. 12:481-486
Volatile constituents from wild Calamintha nepeta (L.) subsp. nepeta harvested in the autumn in the vicinity of Marseilles were analyzed by GC and GC/MS on nonpolar and polar columns, respectively. Among the 120 identified compounds, the 11 major con
Publikováno v:
Tetrahedron Letters. 41:3381-3384
The synthesis of a series of 2-thiazolines was carried out under mild conditions from the corresponding thiazolidines, by a Ru-catalyzed/TBHP oxidation reaction conditions. The reaction was chemoselective towards the amine-imine oxidation and was als