TERPENES  PROPER The terpenes proper may be subdivided into the See also:

• SIMPLE

simple mono-cyclic terpenes and the more complex (usually bicyclic) terpenes . The monocyclic terpenes are hydro derivatives of paracymene . A. v . See also:

• BAEYER, JOHANN FRIEDRICH WILHELM ADOLF VON (1835– )

Baeyer proposed the following nomenclature: the dihydroparacymenes are called terpadienes, the tetrahydrocymenes be-coming terpenes and the hexahydrocymene terpan, the See also:

• CARBON (symbol C, atomic weight 12)

carbon atoms being numbered as shown in the inset See also:

• FORMULA
• FORMULA (Lat. diminutive of forma, shape, pattern, &c., especially used of rules of judicial procedure)

formula: In the more complex terpenes the name camphene is retained, and camphane is 42 3\ (8)l C (9) used for the dihydrocamphene . G . (~) C \o 5~—C \C (to) See also:

• WAGNER, ADOLF (1835- )
• WAGNER, RUDOLPH (1805-1864)
• WAGNER, WILHELM RICHARD (1813-1883)

Wagner (Ber., 1894, 27, p . 1636 Anm.) designates the hexahydrocymenes menthans, the tetrahydrocymenes menthenes, and the dihydrocymenes menthadienes .