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Primary carbon

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Carbon atom bound to one other carbon in a molecule
Primary Carbon
Structural formula of propane (C3H8; primary carbons are highlighted red)

In organic chemistry, a primary carbon is a carbon atom which is bound to only one other carbon atom. It is thus at the end of a carbon chain. In case of an alkane, three hydrogen atoms are bound to a primary carbon (see propane in the figure on the right). A hydrogen atom could also be replaced by a hydroxy group (−OH), which would make the molecule a primary alcohol.

primary carbon secondary carbon tertiary carbon quaternary carbon
General structure
(R = Organyl group) 		frameless=1.0 frameless=1.0 frameless=1.0 frameless=1.0
Partial
Structural formula 		frameless=1.0 frameless=1.0 frameless=1.0 frameless=1.0

References

  1. Smith, Janice Gorzynski (2011). "Chapter 4 Alkanes". Organic chemistry (3rd ed.). New York, NY: McGraw-Hill. p. 116. ISBN 978-0-07-337562-5. Archived from the original (Book) on 2018-06-28. Retrieved 2018-06-26.
  2. Hans Peter Latscha, Uli Kazmaier, Helmut Alfons Klein (2016), Organische Chemie: Chemie-Basiswissen II (in German) (7. Auflage ed.), Berlin: Springer Spektrum, p. 40, ISBN 978-3-662-46180-8{{citation}}: CS1 maint: multiple names: authors list (link)
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