Studies in vacuum ultraviolet photochemistry. Part I. 2,2,3,3- tetramethylbutane

B. G. Gowenlock, C. A F Johnson

Research output: Contribution to journalArticle

Abstract

2,2,3,3-Tetramethylbutane has been photolysed at 123.6 and 147 nm at substrate pressures of 1-25 Torr, and conversions of 0.03-0.3%. The primary processes are both molecular and free-radical in nature. The use of the free-radical scavengers oxygen, nitric oxide, and hydrogen sulphide show the existence of four important primary processes (1)-(4). At 147 nm, a further primary process producing molecular methane also occurs. The Me 3C·CMe3* ? C4H8 + C4H10 (1) ? C6H14 + 2Me· (2) ? C3H6 + Me· + Bu (3) ? C 4H8 + H + Bu (4) photolysis mechanism involves extensive free-radical participation, and in this respect behaves in a manner similar to that of neopentane.

Original languageEnglish
Pages (from-to)1150-1153
Number of pages4
JournalJournal of the Chemical Society, Perkin Transactions 2
Issue number9
Publication statusPublished - 1972

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