Studies on the molecular toxicology of buta-1,3-diene and isoprene epoxides. 1996

C Bleasdale, and R D Small, and W P Watson, and J Wilson, and B T Golding
Department of Chemistry, University of Newcastle upon Tyne, United Kingdom.

Reactions of ethenyloxirane with amino (RNH2) and thiol (R'SH) nucleophiles occur by an SN2 mechanism involving competing ring cleavage at C-2 and C-3. In contrast, 2-ethenyl-2-methyloxirane reacts with amino (RNH2) and thiolate (R'S-) nucleophiles in methanol by regioselective SN2 attack at C-3 ("neo-pentyl" position). However, in pure water or methanol SN1 reaction occurs mainly at C-2.

UI MeSH Term Description Entries
D010420 Pentanes Five-carbon saturated hydrocarbon group of the methane series. Include isomers and derivatives. Isopentanes
D002070 Butadienes Four carbon unsaturated hydrocarbons containing two double bonds. Butadiene Derivative,Butadiene Derivatives,Derivative, Butadiene,Derivatives, Butadiene
D004247 DNA A deoxyribonucleotide polymer that is the primary genetic material of all cells. Eukaryotic and prokaryotic organisms normally contain DNA in a double-stranded state, yet several important biological processes transiently involve single-stranded regions. DNA, which consists of a polysugar-phosphate backbone possessing projections of purines (adenine and guanine) and pyrimidines (thymine and cytosine), forms a double helix that is held together by hydrogen bonds between these purines and pyrimidines (adenine to thymine and guanine to cytosine). DNA, Double-Stranded,Deoxyribonucleic Acid,ds-DNA,DNA, Double Stranded,Double-Stranded DNA,ds DNA
D004852 Epoxy Compounds Organic compounds that include a cyclic ether with three ring atoms in their structure. They are commonly used as precursors for POLYMERS such as EPOXY RESINS. Epoxide,Epoxides,Epoxy Compound,Oxiranes,Compound, Epoxy,Compounds, Epoxy
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D045782 Hemiterpenes Compounds that include a single 2-methyl-1,3-butadiene (also known as isoprene) within their structure. Hemiterpene,Hemiterpenoid,Hemiterpenoids

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