Reactions of Diapocarotenals with N-Bromosuccinimide and Synthetic Applications.

Flow injection chemiluminescence determination of N-bromosuccinimide and N-chlorosuccinimide.

Chemical modification of ribonucleic acid polymerase with N-bromosuccinimide.

The mechanism of specific interaction between a protein and a nucleic acid is thought to reside partially in the arrangement and types of amino acid present in the protein. Attempts have been made to assign specific roles in this interaction to certain amino acids, for example, tryptophan and tyrosine are thought to be involved in unwinding the double helix of DNA (Brun et al., 1975), and in se...

Cobalt-mediated cyclotrimerization and cyclo- isomerization reactions. Synthetic applications*

This article reviews our contribution in the ®eld of the cobalt(I)-mediated cyclizations. The use of new unsaturated partners such as allenes extend the scope and the utility of the previously developed intramolecular [2‡2‡2] cyclotrimerization. The presence of chiral auxiliaries induced high level of diastereoselectivity in the enediynes cyclization. The discovery of cobalt(I) catalyzed ene-ty...

a comparison of teachers and supervisors, with respect to teacher efficacy and reflection

supervisors play an undeniable role in training teachers, before starting their professional experience by preparing them, at the initial years of their teaching by checking their work within the proper framework, and later on during their teaching by assessing their progress. but surprisingly, exploring their attributes, professional demands, and qualifications has remained a neglected theme i...

Synthetic applications of intramolecular thiol-ene "click" reactions.

The intermolecular thiol-ene reaction is emerging as a highly efficient; free-radical mediated "click" process with diverse applications in biofunctionalisation and materials science. The related intramolecular thiol-ene reactions offer significant potential for the preparation of a wide range of sulphur containing heterocycles including synthetic therapeutics such as cyclic peptides and thiosu...