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- W2033075489 abstract "Treatment of o-3-(but-3-enyloxy)benzene (1) with anions −SPh, −PPh2 and −PO(OEt)2 in ammonia, acetonitrile or dimethyl sulphoxide gives both direct substitution and cyclized products. The formation of the latter confirms the intermediacy of the o-3-(but-3-enyloxy)phenyl radical (2) and confirms that the reactions follow the SRN1 pathway. The kinetics of the coupling of the aryl radical 2 were determined by comparison with the known rate of cyclization of 2. Similar experiments with the neopentyl bromide, 6-bromo-5,5-dimethylhex-1-ene, and its 3-oxa derivative also gave cyclized and uncyclized products, thus confirming that the SRN1 mechanism applies to the reactions. Approximate rate constants for the coupling of a neopentyl radical with the nucleophiles −SPh and −PPh2 have thus been determined." @default.
- W2033075489 created "2016-06-24" @default.
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- W2033075489 date "1991-07-01" @default.
- W2033075489 modified "2023-10-11" @default.
- W2033075489 title "SRN1 Reactions of nucleophiles with radical clocks: Rate constants for some radical-nucleophile reactions" @default.
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- W2033075489 doi "https://doi.org/10.1002/poc.610040703" @default.
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