Allgemeine deutsche Biographie ... : Auf Veranlassung ... /

"Generalregister" by Fritz Gerlich: v. 56.

Pamiętnik Juljana Ursyna Niemcewicza o czasach Księztwa Warszawskiego : (1807-1809) /

Z autografu Biblioteki Cesarskiej Publieznej w Petersburgu.

Historia regis Henrici Septimi, a Bernardo Andrea tholosate conscripta, necnon alia quædam ad eundem regem spectantia.

Mode of access: Internet.

Henry the second /

Mode of access: Internet.

Don Phelippe, por la gracia de Dios, Rey de Castilla, de Leon, de Aragon, de las dos Sicilias ...

Verso of final leaf blank.

Norwegens Schenkung an den Heiligen Ólaf.

Aus den Abhandlungen der K. Bayer. Akademie der w., I. cl. XIV. Bd. II. Abth.

Friedrich der Grosse und sein Hof; persönliche Erinnerungen an einen 20 Jährigen Aufenthalt in Berlin.

Mode of access: Internet.

Ausgewählte Werke Friedrichs des Grossen,

Mode of access: Internet.

An account of the ceremonies observed in the coronations of the kings and queens of England : viz. King James II and his royal consort, King William III and Queen Mary, Queen Anne, King George I, and King George II and Queen Caroline.

In anticipation of the coronation of King George III.

Shakespeare's history of King Henry the Fourth. Part II.

Mode of access: Internet.

Shakespeare's history of King Henry the Fourth : part II /

Mode of access: Internet.

The Chronicle of King Theodore of Abyssinia,

No more published.

Synthesis, crystal structure and DNA cleavage activity of (aqua)bis(dipyridophenazine)copper(II) complex

A copper(II) complex of dipyridophenazine, viz., [Cu(dppz)(2)(H2O)](ClO4)(2) (I), has been prepared and structurally characterized by X-ray crystallography. The crystal structure of the complex shows a five-coordinate structure in which two N,N-donor dipyridophenazine (dppz) and one aqua ligand bind to the copper(II) center giving Cu-O and Cu-N bond distances in the range of 1.981(6) to 2.043(6) angstrom. The ESI-MS spectrum of 1 in MeCN shows a peak at m/z value of 313 (100%) indicating the dissociation of the aqua ligand in the solution phase. The complex is one-electron paramagnetic (mu(eff), 1.86 mu(B)). It displays a quasi-reversible Cu(II)/Cu(I) redox process at 0.096 V. The complex is an avid binder to CT DNA giving a binding constant value of 3.5 x 10(5) M-1. It shows significant hydrolytic cleavage of supercoiled pUC19 DNA in dark ill the absence of any external agents. The complex exhibits chemical nuclease activity oil treatment with 3-mercaptopropionic acid as a reducing agent forming hydroxyl radicals. Complex 1 is a model synthetic nuclease and hydrolase showing both modes of DNA cleavage under different reaction conditions. The DNA cleavage activity of 1 is significantly better than its phen analogue but similar to that of the bis-dpq complex.

Coordination properties of vic-isonitrosoimines in their copper (II) and palladium (II) complexes

Preparation and structural characterization of palladium (II) complexes of ligands III-V and copper (II) complexes of III are reported. The elemental analyses of the complexes show that the metal: ligand ratio is 1 : 2. The electrical conductance in acetone shows the non-electrolytic nature of the complexes. The diamagnetic character suggests a gross square-planar geometry for the palladium (II) complexes. Copper (II) complexes are paramagnetic with/~eff.~l'90 B.M. Spectral data suggest that in all the complexes the ligand coordinates to the metal (II) symmetrically through isonitroso-nitrogen and imine-nitrogen, forming a ¡ membered chelate ring. Amine-exchange reactions of the complexes are discussed and compared on the basis of their structures.