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- Currently displaying 27501 - 27520 of 29877 publications
SYNTHESIS OF A C16-C28 SPIROACETAL FRAGMENT OF AVERMECTIN-B1A AND REASSIGNMENT OF SOME H-1 AND C-13 RESONANCES OF AVERMECTIN-B1A
Tetrahedron Letters
(1990)
31
3445
Two-dimensional modelling of the Northern Hemisphere high latitude lower stratosphere
Journal of Geophysical Research
(1990)
95
11
Structure and reactivity of ammonia synthesis catalysts derived from CeRu2 precursors: A study by in Situ X-ray absorption spectroscopy
Journal of Catalysis
(1990)
125
67
(doi: 10.1016/0021-9517(90)90078-x)
Molecular mechanism of alkene epoxidation: A model study with 3,3-dimethyl-1-butene on Ag(111)
Catalysis Letters
(1990)
4
57
(doi: 10.1007/BF00764871)
NEW PROCEDURES FOR SELECTIVELY PROTECTED CHOLIC-ACID DERIVATIVES - REGIOSELECTIVE PROTECTION OF THE 12-ALPHA-OH GROUP, AND TERT-BUTYL ESTERIFICATION OF THE CARBOXYL GROUP
Journal of the Chemical Society Perkin Transactions 1
(1990)
2245
(doi: 10.1039/p19900002245)
Inotropic activity of heterocyclic analogues of isomazole
European Journal of Medicinal Chemistry
(1990)
25
467
(doi: 10.1016/0223-5234(90)90141-o)
High resolution 13 C MAS NMR spectra of paramagnetic lanthanide complexes
Chemical Communications
(1990)
72
(doi: 10.1039/c39900000072)
CHEMISTRY OF INSECT ANTIFEEDANTS FROM AZADIRACHTA-INDICA .7. PREPARATION OF AN OPTICALLY PURE HYDROXYACETAL EPOXIDE RELATED TO AZADIRACHTIN
Tetrahedron Letters
(1990)
31
3437
Analysis of gossypol enantiomers in human serum
Journal of Liquid Chromatography
(1990)
13
2261
(doi: 10.1080/01483919008049029)
Stereoelectronic factors in the synthesis of tetrahydrofurans by hydroxyl participation in phenylthio migration
Tetrahedron Letters
(1990)
31
3457
TPAP: Tetra-n-propylammonium perruthenate, a mild and convenient oxidant for alcohols
Aldrichimica Acta
(1990)
23
13
Recent progress in computational chemistry and molecular graphics applied to drug design
Drug News and Perspectives
(1990)
3
332
Solid-state NMR evidence for the strong binding of methanol prior to carbon–carbon bond formation during the synthesis of gasoline on molecular sieve catalysts
Chemical Communications
(1990)
918
(doi: 10.1039/c39900000918)
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)
CHIRAL SYNTHESIS OF Z-2-BUTYLIDENECYCLOHEXAN-1-OL AND Z-2-BUTYLIDENECYCLOHEXAN-1-YL PHENYLSULFIDE FROM OPTICALLY-ACTIVE PHOSPHINE OXIDES
Tetrahedron Letters
(1990)
31
2743
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)
Selection of coherence transfer pathways using inhomogeneous adiabatic pulses. Removal of zero-quantum coherence
Journal of Magnetic Resonance (1969)
(1990)
89
176
(doi: 10.1016/0022-2364(90)90173-7)
Total synthesis of the esterase inhibitor (±)-ebelactone a using an aldol-claisen strategy
Tetrahedron Letters
(1990)
31
7513
