Zobrazeno 1 - 10
of 264
pro vyhledávání: '"Yoshio Kitahara"'
Publikováno v:
Synthesis. 1972:573-574
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::612dee5c393f39b916da19be90ecbc15
https://doi.org/10.1055/s-1972-21939
https://doi.org/10.1055/s-1972-21939
Publikováno v:
Synthetic Communications. 6:365-369
Cembrene(1) is a typical macrocyclic diterpene hydrocarbon having four double bonds in the ring. One is cis and the others are trans, respectively. Due to its skeletal as well as stereoisomerical points of view, cembrene is an attractive target for s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::562389bbc86cd200ed857058dd307d3f
https://doi.org/10.1080/00397917608063537
https://doi.org/10.1080/00397917608063537
Publikováno v:
Chemistry Letters. 5:1253-1256
The naturally occurring kaurenoids oxygenated at C11 and C15-positions (II and III) have been selectively synthesized from (−)-kaurene (I).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::29a42e8f1d20446435aa1991b114ef25
https://doi.org/10.1246/cl.1976.1253
https://doi.org/10.1246/cl.1976.1253
Publikováno v:
Chemistry Letters. 3:773-776
Treatment of [2-(2,3,4,5-tetrachloro-1,3-cyclopentadienyl)vinyl]tropylium fluoroborate 9 with bases gave 8-(1,2,3,4-tetrachlorofulven-6-yl)heptafulvene 4. In similar way 8-(9-fluorenylidene)methyl heptafulvene 5 was also prepared. 4 is more polar tha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d66f992465ae871e744db6f33839c7b3
https://doi.org/10.1246/cl.1974.773
https://doi.org/10.1246/cl.1974.773
Publikováno v:
Chemistry Letters. 6:293-296
3,5,7-Cyclooctatriene-1,2-dione 1, a labile substance, is synthesized from 7-bromo-3,5-cyclooctadiene-1,2-dione by dehydrobromination and characterized by 1H-NMR spectrum and some chemical reactions. The formation of 3-bromo derivative 3 is also demo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b58130150a8630db9a1353f82d7e07c6
https://doi.org/10.1246/cl.1977.293
https://doi.org/10.1246/cl.1977.293
Publikováno v:
Chemistry Letters. 5:1011-1014
Thermolysis of the ois title compound 4 yields a cage molecule 6 by a sequential ring opening of the cyclobutene and intramolecular Diels–Alder reaction. On the other hand, the trans isomer 8 gives 2,3-benzo-2,5-cyclooctadiene-1,4-dione 10 by a rin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8eb1fb8adcd8f4e61c90713330a16dd1
https://doi.org/10.1246/cl.1976.1011
https://doi.org/10.1246/cl.1976.1011
Publikováno v:
Tetrahedron Letters. 19:977-980
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e5ed4b9a82847d3295988a0454348c6f
https://doi.org/10.1016/s0040-4039(01)85429-0
https://doi.org/10.1016/s0040-4039(01)85429-0
Publikováno v:
Tetrahedron Letters. 16:3197-3200
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::51a37e1c265c83920b43b78db6793ddd
https://doi.org/10.1016/s0040-4039(00)91454-0
https://doi.org/10.1016/s0040-4039(00)91454-0
Publikováno v:
Japanese Journal of Breeding. 26:91-98
In order to isolate growth and germination inhibitors from the hulls of dormant rice seeds, the seeds of a Japonica cultivar 'Koshihikari' and an Indica one 'Surjamukhi', which have strong dormancy, were used. The rice hull (ca 200kg) was soaked in 8
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7433357d87c7fa75cf3c8175aa1ed5fa
https://doi.org/10.1270/jsbbs1951.26.91
https://doi.org/10.1270/jsbbs1951.26.91
Publikováno v:
Tetrahedron Letters. 18:3277-3280
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f2d4bbc91483fd75dfa916a4755e1b87
https://doi.org/10.1016/s0040-4039(01)83217-2
https://doi.org/10.1016/s0040-4039(01)83217-2