benzyne

benzyne

[′ben‚zīn]
(organic chemistry)
C6H4 A chemical species whose structure consists of an aromatic ring in which four carbon atoms are bonded to hydrogen atoms and two adjacent carbon atoms lack substitutents; a member of a class of compounds known as arynes.
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In EI-MS spectrum molecule 7e showed the molecular ion peak at m/z 323 and chlorinated phenylsulfonyl cation gave peak at m/z 175 while benzyne cation gave signal at m/z 76 after the loss of SO2 and chlorine radical and p- ethylphenyl cation appeared at m/z 105.
And methyl tertiary-butyl ether (MTBE), a gasoline additive with unknown health effects wreaking havoc on water supplies in California and on the East Coast, spreads even fasten through water than benzyne.
141 BUCHWALD SL,CHEM REV,vol 0088,page 1047,1988,cites= 35,GROUP-4 METAL-COMPLEXES OF BENZYNES, CYCLOALKYNES, ACYCLIC ALKYNES, AND ALKENES