Ontology highlight
ABSTRACT:
SUBMITTER: Zhao ZD
PROVIDER: S-EPMC2969610 | biostudies-literature | 2009 May
REPOSITORIES: biostudies-literature
Acta crystallographica. Section E, Structure reports online 20090529 Pt 6
The title compound, also known as isopimaric acid, C(20)H(30)O(2), was isolated from slash pine rosin. There are two unique mol-ecules in the unit cell. The two cyclo-hexane rings have classical chair conformations. The cyclo-hexene ring represents a semi-chair. The mol-ecular conformation is stabilized by weak intra-molecular C-H⋯O hydrogen-bonding inter-actions. The mol-ecules are dimerized through their carboxyl groups by O-H⋯O hydrogen bonds, forming R(2) (2)(8) rings. ...[more]