Genecks Posted April 29, 2013 Share Posted April 29, 2013 I'm reading a book: Art of Drug Synthesis It uses an alinine molecule and an attached R-group, which appears to be on the pi-bonds of the cyclical carbon molecule. I don't know what that represents, at least what kind of bond that represents. I've never seen such a carbon-skeleton framework used before. What does it represent? Link to comment Share on other sites More sharing options...
John Cuthber Posted April 29, 2013 Share Posted April 29, 2013 It means that the position of the alkyl group (o, m, or p) isn't specified Link to comment Share on other sites More sharing options...
CarbonCopy Posted April 30, 2013 Share Posted April 30, 2013 As the poster above stated, it's just a shorthand to say that it could be in the ortho, para or meta position. Link to comment Share on other sites More sharing options...
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