Method for preparing lactames, comprising a photonitrosation step, followed by a Beckmann transposition step
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United States of America Patent
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Nov 22, 2016
Grant Date -
Sep 4, 2014
app pub date -
Apr 14, 2014
filing date -
May 26, 2008
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Abstract
The invention relates to a method for preparing lactames, according to which a photonitrosation of a cycloalkane is carried out using nitrosyl chloride (NOCI). According to the invention, said photonitrosation is carried out by means of LEDs emitting a monochromatic light. The method according to the invention can also include a step comprising Beckmann transposition/dechlorination of the oxime hydrochloride generated during said phonitrosation, preferably carried out in a glass microreactor.
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