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- Currently displaying 27221 - 27240 of 29338 publications
A short asymmetric synthesis of a C19–C27 segment of rifamycin S. Kinetic resolution in the aldol reactions of ethylketones using chiral boron reagents
– Tetrahedron Letters
(1989)
30,
1293
The biosynthesis of porphyrins, chlorophylls, and vitamin B12
– Natural product reports
(1989)
6,
171
(doi: 10.1039/np9890600171)
Invited Lecture. Columnar ordering as an excluded-volume effect
– Liquid Crystals
(1989)
5,
929
(doi: 10.1080/02678298908026399)
COMPUTER-GENERATED MODELS OF A-SISE2 .1. THE ALGORITHM
– Journal of Non-Crystalline Solids
(1989)
109,
211
(doi: 10.1016/0022-3093(89)90033-1)
A magic angle spinning NMR study of the phase diagram Ca3-xZnx(PO4)2
– Journal of Solid State Chemistry
(1989)
78,
23
(doi: 10.1016/0022-4596(89)90124-2)
High-resolution solid-state tin-119 nuclear magnetic resonance spectroscopy of ternary tin oxides
– Dalton Transactions
(1989)
843
(doi: 10.1039/dt9890000843)
Skeletal rearrangements in clusters-III. Application of vibrational symmetry analyses
– Polyhedron
(1989)
8,
1933
A unique lithium halide complex, [(LiBr)2·3HMPA·toluene]: synthesis from reaction of solid NH4Br with BunLi in HMPA (hexamethylphosphoramide)/toluene media, crystal structure showing two Li–Br units linked by three µ2-HMPA ligands, and detection of7Li ⋯31P coupling in solutions of the complex
– J. Chem. Soc., Chem. Commun.
(1989)
318
(doi: 10.1039/c39890000318)
GRADIENT THEORY - ITS APPLICATION TO THE EXTENDED HARTREE-FOCK METHOD
– QUANTUM CHEMISTRY : BASIC ASPECTS, ACTUAL TRENDS
(1989)
62,
145
Preparation of β-ketomacrolactones and β-ketodiolides using S-t-butyl 3-oxobutanethioate and S-t-butyl 4-diethylphosphono-3-oxobutanethioate
– Tetrahedron
(1989)
45,
7565
The structure of two new clerodane diterpenoid potent insect antifeedants from Scutellaria woronowii (Juz); jodrellin A & B
– Tetrahedron Letters
(1989)
30,
4737
Reaction of solid sodium hydride with solid ammonium thiocyanate in HMPA-toluene: An ESR spectroscopic investigation and crystal structures of the two products of the reaction, [(NaNCS·HMPA)2]∞ and (NaNCS·2HMPA)2
– Polyhedron
(1989)
8,
215
CHEMISTRY OF INSECT ANTIFEEDANTS FROM AZADIRACHTA INDICA .4. SYNTHESIS TOWARDS THE LIMONOID AZADIRACHTIN - PREPARATION OF A FUNCTIONALIZED DECALIN FRAGMENT
– Tetrahedron
(1989)
45,
2143
Ultra-fine particles of aluminium formed by electron-beam-induced decomposition of aluminium hydride
– Materials Letters
(1989)
7,
441
(doi: 10.1016/0167-577X(89)90048-7)
HYDROTHERMAL ISOMORPHOUS SUBSTITUTION OF BORON IN ZEOLITE ZSM-5 SILICALITE
– ACS SYM SER
(1989)
398,
393
Allosteric ligand binding to cofacial metalloporphyrin dimers: the mechanism of porphyrin disaggregation
– J CHEM SOC PERK T 1
(1989)
547
(doi: 10.1039/p19890000547)
SYNTHESIS OF 3-ETHYL-3-HYDROXY-DELTA-VALEROLACTONE, A HOMOLOG OF MEVALONOLACTONE AND A METABOLITE IN PROPIONIC ACIDEMIA
– JOURNAL OF CHEMICAL RESEARCH-S
(1989)
19
2 MONOMERIC, OCTAHEDRAL COMPLEXES OF ALKALINE-EARTH METAL-SALTS - SYNTHESES, PHYSICAL CHARACTERISTICS, AND CRYSTAL-STRUCTURES OF SRI2.4HMPA AND SR(NCS)2.4HMPA [HMPA=O-P(NME2)3]
– Chemical Communications
(1989)
893
(doi: 10.1039/c39890000893)