PREPARATION OF SOME PURE POLYOXYETHYLENEGLYCOL ETHERS. PART I

PART I PREPARATION FOR JOURNEY Chemotaxis

Agrobacteriumtumefaciens, a plant pathogen, is characterizedby the unique feature of interkingdomDNA transfer. This soil bacterium is able to transfer a fragment of its DNA, called T-DNA (transferred DNA), to the plant cell where T-DNA is integrated into the plant genome leading to “genetic colonization”of the host. The fate of T-DNA, its processing, transfer and integration, resembles the jour...

SOME GLyelDYL ETHERS

Chem. Abstr. Services Reg. No.: 1675-54-3 Chem. Abstr. Name: 2,2' -r (I-Methylethylidene )bis( 4, I-phenyleneoxyethylene) )bis(oxiane) . IUPAC Systematic Name: 2,2'-r(1-Methylethylidene)bis(4,i-phenyleneoxyethylene) )bis( oxiane ) Synonym: 4,4' -Bis(2,3-epoxyropoxy)diphenyldimethylmethane; 2,2-bisfpara-(2,3epoxyropoxy)phenyl)propane; 2,2-bisr 4-(2,3-epoxyropoxy)phenyl)propane; bis( 4glycidyloxy...

Advances in Research and Applications of Smart Hydrogels Part I: Preparation Methods and Classification

Preparation of the Phencyclidine Analogues (Part II)

Using a-tetralone, as starting material, a series of phencyclidine analogues were synthesized. This ketone was reacted separately with ethylmagnesium bromide, P-methoxyphenylmagnesium bromide and P-methylphenylmagnesium bromide. The resultant alcohols were treated with a suspension of NaN3 and CCl3COOH in CHCl3. The azides were subsequently...

Preparation of pure lipid hydroperoxides.

Increasing evidence of lipid peroxidation in food deterioration and pathophysiology of diseases have revealed the need for a pure lipid hydroperoxide (LOOH) reference as an authentic standard for quantification and as a compound for biological studies in this field. Generally, LOOH is prepared from photo- or enzymatically oxidized lipids; however, separating LOOH from other oxidation products a...