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α-addition (alpha-addition)

A chemical reaction resulting in a single reaction product from two or three reacting chemical species, with formation of two new chemical bonds to the same atom in one of the reactant molecularentities. The synonymous term 1/1/addition is also used. For example:
A00001-1
(This particular example can also be viewed as an insertion reaction). In inorganic chemistry such α-addition reactions, generally to a metallic central atom, are known as 'oxidative additions'. α-Addition is the reverse of α-elimination or 1/1/elimination.
See also: addition, elimination
Source:
PAC, 1994, 66, 1077 (Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994)) on page 1087
InChI=1/CHCl2/c2-1-3/h1H
InChI=1/CH4O/c1-2/h2H,1H3
InChI=1/C2H4Cl2O/c1-5-2(3)4/h2H,1H3
ZJULYDCRWUEPTK-UHFFFAOYAI
OKKJLVBELUTLKV-UHFFFAOYAX
GRTGGSXWHGKRSB-UHFFFAOYAJ
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Cite as:
IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic, J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8. https://doi.org/10.1351/goldbook.
Last update: 2014-02-24; version: 2.3.3.
DOI of this term: https://doi.org/10.1351/goldbook.A00001.
Original PDF version: http://www.iupac.org/goldbook/A00001.pdf. The PDF version is out of date and is provided for reference purposes only. For some entries, the PDF version may be unavailable.
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