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alkyl groups

Univalent groups derived from alkanes by removal of a hydrogen atom from any carbon atom –CnH2n+1. The groups derived by removal of a hydrogen atom from a terminal carbon atom of unbranched alkanes form a subclass of normal alkyl (n-alkyl) groups H(CH2)n. The groups RCH2, R2CH (R ≠ H), and R3C (R ≠ H) are primary, secondary and tertiary alkyl groups, respectively.
See also: cycloalkyl groups, hydrocarbyl groups
Source:
PAC, 1995, 67, 1307 (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1314
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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: 2008-10-07; version: 2.0.2.
DOI of this term: https://doi.org/10.1351/goldbook.A00228.
Original PDF version (may be out of date): http://www.iupac.org/goldbook/A00228.pdf.
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