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r37980778c78--fa7980616fbf58f49c9a08a560c950fd
The topotactic reduction of the acentric phase YMnO3 with CaH2 in the temperature range 225 °C < T < 350 °C yields phases of composition YMnO3−x (x = 0 < x < 0.2).... -
Lowdenic Acid: A New Antifungal Polyketide-Derived Metabolite from a New Fun...
Lowdenic acid (1), a new antifungal metabolite with an unusual structure and a mixed biogenetic origin, has been obtained from nonsporulating cultures of a previously... -
r37980778c78--afb00259d9cee4bf64cb4d4ecd6eef45
The first examples of monodisperse liquid crystalline pentamers, synthesized by covalently linking five mesogenic segments through four flexible spacers, exhibiting... -
Enantioselective Synthesis of Optically Active Polymeric Homo- and Bimetallic...
The synthesis of the enantiomeric forms of the two- and three-dimensional polymers: {[NBu4][MnCr(ox)3]}n (1) (Bu = n-butyl, ox = oxalate), {[M(bpy)3)][LiCr(ox)3]}n (M = Ni (2),... -
Boneratamides A−C, New Sesquiterpenoids Isolated from the Marine Sponge <i>Ax...
Three new sesquiterpenoids, boneratamides A (1)−C (3), have been isolated as their methyl esters 4−6 from extracts of the marine sponge Axinyssa aplysinoides collected in... -
r37980778c78--d0099c1b85083a006d15880729e4eb29
A single-crystal X-ray diffraction study at 110 K and ab initio calculations up to the MP2/6-31G* level of theory showed that the ground state of P(NMe2)3 has Cs symmetry, with... -
r37980778c78--b07a8fd13ebb5f3319ff16859891d241
In contrast to structural parameters extracted from X-ray diffraction experiments, CC coupling constants (JCC) prove to be reliable and sensitive probes of α-C−C agostic character. -
Donor−Acceptor−Donor-Type Liquid Crystal with a Pyridazine Core
A new liquid crystalline material having an ethylenedioxythiophene−pyridazine−ethylenedioxythiophene (EDOT−PDZ−EDOT) core with two peripheral long alkyl chains was prepared. The... -
Identification of a Near-Linear Supramolecular Water Dimer, (H<sub>2</sub>O)<...
Supramolecular water dimer, (H2O)2, is fundamentally important. During the course of our work on polyoxometalates, we have been able to identify the existence of... -
A New Layered Silicate with Structural Motives of Silicate Zeolites: Synthesi...
A new layered silicate, RUB-51, [Si12O24(OH)4][C6H5CH2N(CH3)3]4, was synthesized from hydrothermal experiments using benzyl trimethylammonium hydroxide as the... -
r37980778c78--d591ab707dd0b3b4abfbfd3e0928fd18
The current level of laboratory instrumentation and computational resources allows X-ray powder diffraction to be implemented into the toolbox of organic chemists, providing a... -
Grindelane Diterpenoids from <i>Stevia subpubescens</i>
Four new 9R,13R-epoxylabdane diterpenes (1−4) and a known clerodane derivative, 3,4β-epoxy-5β,10β-cis-17α,20α-clerod-13(14)-en-15,16-olide, were isolated from the leaves of... -
Direct Structure Determination of a Multicomponent Molecular Crystal Prepared...
A three-component molecular cocrystal material has been prepared by a solvent-free route involving mechanical grinding of the pure phases of the individual components. This... -
Structural and luminescent properties of the micro-sized and nano-sized parti...
Reaction in water between rare earth ions (Ln = Y, La−Tm, except Pm) and the sodium salt of terephthalic acid leads to a family of lanthanide-based coordination polymers of... -
Hydrogen Adsorption in an Interpenetrated Dynamic Metal−Organic Framework
A metal−organic framework Zn(NDC)(4,4‘-Bpe)0.5·xG [NDC = 2,6-naphthalenedicarboxylate; 4,4‘-Bpe = 4,4‘-trans-bis(4-pyridyl)ethylene; G = guest molecules] has been synthesized,... -
r37980778c78--fdbb1fbcaea9920f93faf27d19cd7380
Two new dibromo proaporphine alkaloids, designated saldedines A (1) and B (2), were isolated from an unidentified tunicate collected at Salary Bay, Madagascar. Saldedines A and... -
r37980778c78--ca59902bdaca1042b8aa6fd91e5c3e42
We demonstrate, through structural refinement from synchrotron X-ray diffraction data, that the mechanism of the transformation between lithium amide and lithium imide during... -
Regularly Shaped, Single-Crystalline ZnO Nanorods with Wurtzite Structure
A convenient route at ambient conditions was employed to prepare narrow-dispersed ZnO nanorods in terms of size and morphology. Transmission electron microscopy and X-ray... -
Noncentrosymmetry in New Templated Gallium Fluorophosphates
Two new noncentrosymmetric polar gallium fluorophosphates have been synthesized under mild hydrothermal conditions through the use of enantiomorphically pure sources of either... -
r37980778c78--4691670305596ad2697e135e17e7e507
Recently, we reported on the design, synthesis, and structure−activity relationships of a series of spiroimidazolines endowed with α-adrenergic agonist activities. Among the...
