| 221 |
|
Unusual Behaviour of 7-Diethylamino-3-(3,4-ethylendioxybenzoyl)coumarin Towards Group IIA Cations: A Potential Photoactive Probe for Magnesium
|
Brunet, E
|
Pergamon Press
|
1980
|
|
|
|
| 222 |
|
Unusual bicyclic endoperoxides containing pyridazine ring: reaction of unsaturated bicyclic endoperoxides with dimethyl 1,2,4,5-tetrazine-3,6-dicarhoxylate
|
Balci, M
|
Pergamon Press
|
1980
|
|
|
|
| 223 |
|
Unusual biflavonoids in the farinose exudate of Pentagramma triangularis
|
Iinuma, M
|
Pergamon Press
|
1997
|
|
|
|
| 224 |
|
Unusual cone conformation retention in calix(4)arenes/
|
Creaven, Bernadette S
|
Pergamon Press
|
2001
|
|
|
|
| 225 |
|
Unusual Cyclization and S~N'-Type Displacement of Carbazole Sulfoxide under Pummerer Reaction Conditions
|
Kawasaki, T
|
Pergamon Press
|
1980
|
|
|
|
| 226 |
|
Unusual diagenetic alteration of volcanoclastic sediments in the Tonga fore-arc: Evidence from chemical and strontium isotopic compositions of interstitial waters
|
Blanc, G
|
Pergamon Press
|
1980
|
|
|
|
| 227 |
|
Unusual distribution of monomethylalkanes in Botryococcus braunii-rich samples: origin and significance/
|
Audino, Michiele
|
Pergamon Press
|
2001
|
|
|
|
| 228 |
|
Unusual distributions of long-chain alkenones and tetrahymanol from the highly alkaline Lake Van, Turkey
|
Thiel, V
|
Pergamon Press
|
1980
|
|
|
|
| 229 |
|
Unusual high enantioselectivity by a new HPLC chiral stationary phase
|
Hyun, M. H
|
Pergamon Press
|
1980
|
|
|
|
| 230 |
|
Unusual homologous long-chain alkanoic acid esters of lupeol from Koelpinia linearis
|
Razdan, T. K
|
Pergamon Press
|
1996
|
|
|
|
| 231 |
|
Unusual iodine catalyzed lactonization of gamma-methyl-gamma,�pentenoicacids: a facile synthesis of gamma,gamma-dimethyl-gamma-butyrolactones
|
Kim, K. M
|
Pergamon Press
|
1980
|
|
|
|
| 232 |
|
Unusually abundant refractory inclusions from Sahara 97159 (EH3): a comparative study with other groups of chondrites/
|
Lin, Y
|
Pergamon Press
|
2003
|
|
|
|
| 233 |
|
Unusual metabolites of Baeckea frutescens
|
Tsui, W.-Y
|
Pergamon Press
|
1980
|
|
|
|
| 234 |
|
Unusual monosubstitution-monodechlorination product in the reaction of 1,8-dichloroanthraquinone with (S)-(-)-2-(tetrahydropyranyloxy)-1-propanol
|
Habata, Y
|
Pergamon Press
|
1980
|
|
|
|
| 235 |
|
Unusual palladium-mediated methylene-addition to the carbonyl of a homochiral polyfunctionalized cyclohexenone, and intramolecular oxirane-ring opening. Efficient synthesis of novel enantiopure 3a,4,5,7a-tetrahydrobenzoxazole derivatives
|
Ortu�, R. M
|
Pergamon Press
|
1980
|
|
|
|
| 236 |
|
Unusual photorearrangements of 9,10-disubstituted triptycene-1,4-quinonederivatives
|
Borecka, B
|
Pergamon Press
|
1980
|
|
|
|
| 237 |
|
Unusual polyoxygenated sterols from a Philippines sponge Xestospongia sp./
|
Lerch, Melissa L
|
Pergamon Press
|
2001
|
|
|
|
| 238 |
|
Unusual products from dirhodium tetraacylate-catalyzed decomposition of diazoacetyicycloalkanes
|
Ceccherelli, P
|
Pergamon Press
|
1980
|
|
|
|
| 239 |
|
Unusual reactions of C~6~0 with aldehydes in the presence of aqueous ammonia
|
Komori, A
|
Pergamon Press
|
1980
|
|
|
|
| 240 |
|
Unusual reductive cleavage of 7-Oxa-bicyclo[2,2,1]heptane system for thesynthesis of tetrahydrofuran derivatives
|
Viti, G
|
Pergamon Press
|
1980
|
|
|
|