Organic hosts

Cyclophanes or 7r-spherands have played a central role in the development of supramolecular chemistry forming an important class of organic host molecules for the inclusion of metal ions or organic molecules via n-n interactions. Particular examples are provided by their applications in synthesis [80], in the development of molecular sensors [81], and the development of cavities adequate for molecular reactions with possible applications in catalysis [82]. The classical organic synthesis of cyclophanes can be quite complex [83], so that the preparation of structurally related molecules via coordination or organometallic chemistry might be an interesting alternative. 

F.P. Schmidtchen and M. Berger, Artificial organic host molecules for anions. Chem. Rev. 97, 1609-1646 (1997). 

Host-guest interactions. The area of host-guest chemistry encompasses the complexation by organic hosts of a range of both organic and inorganic guests. 

Structural aspects of inclusion compounds formed by organic host lattices , Inclusion Compounds, Vol. 2, (Eds. J. L. Atwood, J. E. D. Davies, D. D. MacNicol), Academic, London, 1984. 

The fall of 1983 also saw the North Atlantic Treaty Organization host an Advanced Studies Institute in Cosenza, Italy, entitled Chemometrics Mathematics and Statistics in Chemistry. One hundred scientists—a most unusual collection of chemists, engineers, and statisticians from academia, industry, and government—representing a dozen countries assembled to discuss the role of sophisticated multivariate statistics in the daily routine of an analytical chemistry laboratory. 

Coehoom R (2007) Hopping mobility of charge carriers in disordered organic host-guest systems dependence on the charge-carrier concentration. Phys Rev B 75 155203... 

Parasite A plant or animal living in or on, or with, some other living organism (host) at whose expense it is maintained, but which it does not usually destroy. 

These compounds include Flofmann and Wcrner-typc inclusion compounds. inclusion compounds of urea, thiourea and sclenourea, inclusion compounds of gossypol. inclusion compounds of phenolic hosts, inclusion compounds of denxycholic acid (choleic acids), inclusion compounds of macrocyclic and oligocyciic lattice hosts and recently designed organic host lattices. 

Fujita, M., Oguro, D., Miyazawa, M., Oka, H., Yamaguchi, K., Ogura, K., Self-assembly of 10 molecules into nanometersized organic host frameworks. Nature 1995, 378, 469-471. 

There are only a few reports on the organic host molecules that form a precise two-dimensional network (sheet structure) followed by the inclusion of a guest... 

---