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- Currently displaying 27541 - 27560 of 29917 publications
STRUCTURE AND REACTIVITY OF AMMONIA-SYNTHESIS CATALYSTS DERIVED FROM CERU2 PRECURSORS - A STUDY BY INSITU X-RAY ABSORPTION-SPECTROSCOPY
Journal of Catalysis
(1990)
125
67
(doi: 10.1016/0021-9517(90)90078-X)
HIGH-RESOLUTION C-13 MAS NMR-SPECTRA OF PARAMAGNETIC LANTHANIDE COMPLEXES
Chemical Communications
(1990)
72
(doi: 10.1039/c39900000072)
Synthesis of a C16–C28 spiroacetal fragment of avermectin B1a and reassignment of some 1H and 13C resonances of avermectin B1a
Tetrahedron Letters
(1990)
31
3445
FAR INFRARED LMR OF APPROXIMATELY-CHI-2-PI NCO
Molecular Physics
(1990)
69
175
(doi: 10.1080/00268979000100121)
The rehydration of metakaolinite to kaolinite: Evidence from solid-state NMR and cognate techniques
Journal of Solid State Chemistry
(1990)
89
260
(doi: 10.1016/0022-4596(90)90267-2)
Two-dimensional modelling of the Northern Hemisphere high latitude lower stratosphere
Journal of Geophysical Research
(1990)
95
11
Chiral synthesis of Z-2-butylidenecyclohexan-1-OL and -1-YL phenylsulphide from optically active phosphine oxides
Tetrahedron Letters
(1990)
31
2743
INSITU X-RAY-DIFFRACTION STRUCTURAL INVESTIGATION OF METHANOL SYNTHESIS CATALYSTS DERIVED FROM CECU2
Applied Catalysis
(1990)
67
151
KAOLINITE AS A CONVENIENT STANDARD FOR SETTING THE HARTMANN-HAHN MATCH FOR SI-29 CP MAS NMR OF SILICATES
Journal of Magnetic Resonance (1969)
(1990)
90
567
(doi: 10.1016/0022-2364(90)90062-E)
New procedures for selectively protected cholic acid derivatives. Regioselective protection of the 12α-OH group, and t-butyl esterification of the carboxyl group
J. Chem. Soc., Perkin Trans. 1
(1990)
2245
(doi: 10.1039/p19900002245)
Stereoelectronic factors in the synthesis of tetrahydrofurans by hydroxyl participation in phenylthio migration
Tetrahedron Letters
(1990)
31
3457
Nickel Carbonyl Clusters in Molecular Beams: A Reinterpretation of the Results Which Gives Circumstantial Evidence for a Face-Capping Cluster-Growth Sequence
Journal of the American Chemical Society
(1990)
112
930
(doi: 10.1021/ja00159a003)
A study of the structural series in the TlCaBaCuO superconducting system
Journal of Solid State Chemistry
(1990)
88
193
(doi: 10.1016/0022-4596(90)90215-j)
CHEMISTRY OF INSECT ANTIFEEDANTS FROM AZADIRACHTA-INDICA .7. PREPARATION OF AN OPTICALLY PURE HYDROXYACETAL EPOXIDE RELATED TO AZADIRACHTIN
Tetrahedron Letters
(1990)
31
3437
Chiral synthesis of Z-2-butylidenecyclohexan-1-OL and -1-YL phenylsulphide from optically active phosphine oxides
Tetrahedron Letters
(1990)
31
2743
Introduction to Cluster Chemistry
(1990)
Recent progress in computational chemistry and molecular graphics applied to drug design
Drug News and Perspectives
(1990)
3
332
Biosynthesis of porphyrins and related macrocycles. Part 35. Discovery of a novel dipyrrolic cofactor essential for the catalytic action of hydroxymethylbilane synthase (porphobilinogen deaminase)
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1
(1990)
1979
(doi: 10.1039/p19900001979)
SYNTHESIS OF ANTIFEEDANTS FOR INSECTS - NOVEL BEHAVIOR-MODIFYING CHEMICALS FROM PLANTS
CIBA FOUNDATION SYMPOSIA
(1990)
154
80
