1641 |
|
An ultraviolet laser microprobe for the in situ analysis of multisulfur isotopes and its use in measuring Archean sulfur isotope mass-independent anomalies/
|
Hu, G
|
Pergamon Press
|
2003
|
|
|
1642 |
|
An unexpected and efficient direct nucleophilic C-4 hydroxy substitutionon 2-methoxy- and 2-methylthio-4(3H)-pyrimidinones bearing a diethylamino moiety on the C-6 side chain
|
Botta, M
|
Pergamon Press
|
1980
|
|
|
1643 |
|
An unexpected oxidative decarboxylation reaction of frenolicin-B
|
Van Arnum, S. D
|
Pergamon Press
|
1980
|
|
|
1644 |
|
An unexpected photoadduct of N-carbomethoxymethylpyrrolidine with a chiral butenolide and benzophenone: X-ray structure and synthetic utility
|
Santiago de Alvarenga, E
|
Pergamon Press
|
1980
|
|
|
1645 |
|
An Unexpected Product Arising from Metal Alkylidene Mediated Ring-Closing Diene Metathesis
|
Joe, D
|
Pergamon Press
|
1980
|
|
|
1646 |
|
An Unexpected Reaction: [2 + 1] Cycloaddition of [60]Fullerene with 4,4,5,5-Tetramethylimidazolidine-2-Thione and DL-Valine
|
Xu, J.-H
|
Pergamon Press
|
1980
|
|
|
1647 |
|
An unexpected reaction between 2-aryl-1-nitro-1-alkenes and trialkylgallium compounds
|
Han, Y
|
Pergamon Press
|
1980
|
|
|
1648 |
|
An unexpected result in the alkylation of thymine
|
Grandjean, P
|
Pergamon Press
|
1980
|
|
|
1649 |
|
An unexpected Wittig reaction of dimethyl 3,3'-(3-formyl-2,7,12,18-tetramethyl-21H,23H-porphyrin-13,17-diyl)-dipropionate
|
Malinen, P. K
|
Pergamon Press
|
1980
|
|
|
1650 |
|
An unprecedented Favorski-like ring contraction of the 1,3,4-oxadiazinone ring to a bimane
|
Allen, A
|
Pergamon Press
|
1980
|
|
|
1651 |
|
An unprecedented side chain conformation of paclitaxel (Taxol[R]): Crystal structure of 7-mesylpaclitaxel
|
Gao, Q
|
Pergamon Press
|
1980
|
|
|
1652 |
|
An unsaturated flow of moisture in porous hygroscopic media at low moisture contents
|
Kolhapure, N. H
|
Pergamon Press
|
1980
|
|
|
1653 |
|
An unusual AlCl~3 catalysed aromatic cyclisation reaction: novel synthesis of tetrahydronapthoic acids
|
Mali, R. S
|
Pergamon Press
|
1980
|
|
|
1654 |
|
An Unusual Alkylation with Trifluoroiodomethane Providing a Difluoroiodomethyl Group
|
Letourneau, J. E
|
Pergamon Press
|
1980
|
|
|
1655 |
|
An Unusual Condensation of Alkyl 3-oxo-4-(triphenylarsoranylidene)butanoate with Aldehydes; Synthesis of Symmetrical Substituted 1,3,5-Cycloheptatrienes
|
Moorhoff, C. M
|
Pergamon Press
|
1980
|
|
|
1656 |
|
An unusual cycloartane triterpenoid from Cimicifuga foetida
|
Li, C.-J
|
Pergamon Press
|
1996
|
|
|
1657 |
|
An Unusual Dependency of Counterion during Wittig Methylenation of Bis-Heteroaryl Ketones
|
Subramanyam, C
|
Pergamon Press
|
1980
|
|
|
1658 |
|
An unusual diterpene and other constituents from Baccharis ochracea
|
Schenkel, E. P
|
Pergamon Press
|
1997
|
|
|
1659 |
|
An unusually facile preparation of 21-alkoxyderivatives of bafilomycin A~1
|
Gagliardi, S
|
Pergamon Press
|
1980
|
|
|
1660 |
|
An unusually lipophilic flavonol glycoside from Ranunculus sardous pollen
|
Markham, K. R
|
Pergamon Press
|
1997
|
|
|