The title compound, [Mo(C(36)H(29)P)(CO)(3)], contains an Mo(0) atom with a typical piano-stool coordination defined by the phospho-nium cyclo-penta-dienylide ligand η(5)-1-(methyl-diphenyl-phosphanium-yl)-2,3,5-triphenyl-2,4-cyclo-penta-dien-1-yl and by three carbonyl groups. The distance between the Mo(0) atom and the cyclo-penta-dienyl ring is 2.0616 (13) Å.

In the title compound, [Fe(C5H5)(C20H13N2O2)], the substituted cyclo-penta-dienyl ring and quinoline system are approximately coplanar, making a dihedral angle of 5.18 (6)°, while the dihedral angle between the quinoline system and the benzene ring is 28.45 (8)°. There is high thermal motion in the free cyclo-penta-dienyl ring compared with the substituted cyclo-penta-dienyl ring. The conformat...

The redetermined structure of 1,3,5-trinitro-1,3,5-triaza-cyclo-hexane, C(3)H(6)N(6)O(6), at 90 (2) K has ortho-rhom-bic (Pbca) symmetry. It is of inter-est with respect to energetic compounds. The structure was originally investigated through X-ray diffraction by Hultgren [(1936). J. Chem. Phys.4, 84]. Later X-ray investigations were completed by McCrone [(1950). Anal. Chem.22, 954-955] and Ha...

Using the DNA recombination technique, a new bacterial strain Escherichia coli DAC-22 was derived, whose cells are able to carry out heterologous expression of Bacillus thuringiensis diadenylate cyclase – enzyme catalyzing reaction adenosine-5′-triphosphate (ATP) transformation into cyclic 3′,5′-diadenylate (cyclo-di-AMP). To derive strain, E. “Rosetta (DE3) pLysS” were originally used as recip...

The title compound, C(23)H(23)BrO(4), is an inter-mediate in the synthesis of fused heterocycles. In the title mol-ecule, the cyclo-hexene ring has a distorted half-chair conformation. The bromo-phenyl ring and the mean plane of the cyclo-hexene ring form a dihedral angle of 13.8 (3)°, whereas the benzene and cyclo-hexene rings are approximately perpendicular [88.44 (17)°]. There are only weak ...

In the title compound, C(16)H(19)ClO(2)S, the cyclo-hexyl ring adopts a chair conformation and the aryl-sulfinyl unit is positioned equatorial relative to the cyclo-hexyl group. The least-squares plane through all six C atoms of the cyclo-hexyl ring makes a dihedral angle of 74.80 (6)° with the mean plane of the benzofuran fragment. In the crystal, mol-ecules are linked through inter-molecular ...

In the title compound, [Pt(C(37)H(55)P(2)Si)Cl], prepared from MeSiH[(cy)(2)PC(6)H(4)](2) and [Pt(cod)Cl(2)] (cy = cyclo-hexyl; cod = cyclo-octa-1,5-diene), the Pt(II) atom is coordinated by two P atoms, one Si atom and one Cl atom in a distorted square-planar geometry. The two P atoms are in a trans arrangement and the four cyclo-hexane rings adopt a chair conformation.

The isolation, structure determination, syntheses and biological activity of Nb-acetyltryptamine and three proline containing dioxopiperazines, cyclo(S-Pro-S-Leu) (2), cyclo(S-Pro-S-Ile) (3), and cyclo(S-Pro-S-Val) (4), from cultures of Rhizoctonia solani Kuhn are reported here for the first time. Despite the small amounts isolated, the absolute stereochemistry of these naturally occurring diox...

The title compound, C(15)H(23)NO(2)S, synthesized by N-methyl-ation of cyclo-hexyl-amine sulfonamide with propyl iodide, is of inter-est as a precursor to biologically active sulfur-containing heterocyclic compounds. The cyclo-hexyl ring exists in the chair form and the dihedral angle between the ring plane of the benzene ring and that of the cyclo-hexyl ring is 50.13 (9)°.

Two new diketopiperazine derivatives, bacillusamides A (1) and B (2), have been isolated from the EtOAc extract of the sea urchin-derived Bacillus sp. along with the known cyclo(-L-pro-L-val-) (3), cyclo(-L-pro-L-tyr-) (4), cyclo(-L-pro-L-phe-) (5). These structures were elucidated by extensive spectroscopic methods. Furthermore, the absolute configurations of the amino acid residues were deter...