Terpenylic Acid
Structural Formula Vector Image
Title: Terpenylic Acid
CAS Registry Number: 26754-48-3
CAS Name: Tetrahydro-2,2-dimethyl-5-oxo-3-furanacetic acid
Additional Names: 3-(1-hydroxy-1-methylethyl)glutaric acid g-lactone; tetrahydro-5-keto-2,2-dimethyl-3-furanacetic acid; terpenolic acid
Molecular Formula: C8H12O4
Molecular Weight: 172.18
Percent Composition: C 55.81%, H 7.02%, O 37.17%
Literature References: Prepd from a-terpineol, terebic acid, or terpin hydrate: Suga, Sakoda, J. Sci. Hiroshima Univ. Ser. A 22, 69 (1958), C.A. 53, 10273f; Lipp et al., Ann. 644, 37 (1961). Resolution of optical isomers: Fredga, Sandberg, C.A. 52, 11747g (1958).
 
Derivative Type: Monohydrate
Properties: Prisms, mp 57°. When anhydrous, melts at 90°. Sublimes 130-140°. Moderately sol in cold water; very sol in hot water.
Melting point: mp 57°; melts at 90°
 
Derivative Type: (+)-Form
Properties: mp 92-94°, [a]D25 +56.3°.
Melting point: mp 92-94°
Optical Rotation: [a]D25 +56.3°
 
Derivative Type: (-)-Form
Properties: mp 92-94°, [a]D25 -56.5°.
Melting point: mp 92-94°
Optical Rotation: [a]D25 -56.5°
 
 
Status: This monograph has been retired and is no longer subject to revision or update.

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