allylic substitution
allylic substitution
[ə¦lil·ik ‚səb·stə′tü·shən] (organic chemistry)
A reaction occurring at position 1 of an allylic system (with the double bond between positions 2 and 3) in which the incoming group is attached to the same atom (position 1) as the leaving group, or the incoming group is attached at position 3, with the double bond moving from positions 2 and 3 to positions 1 and 2.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive
The use of palladium catalyst in organic reaction is a versatile and reliable strategy for C-C, C-O, C-S and C-N bond formation, and has been employed, for example, for
allylic substitution via an intermediate ([pi]-allyl) palladium complex [10-12].
Alkenes in general are known to undergo addition reactions at lower temperatures and
allylic substitution at higher temperatures.
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