other cyclic hydrocarbons
101Carotene — The term carotene is used for several related substances having the formula C40H56. Carotene is an orange photosynthetic pigment important for photosynthesis.It is responsible for the orange colour of the carrot and many other fruits and… …
102alkaloid — /al keuh loyd /, Biochem., Chem., Pharm. n. 1. any of a large class of organic, nitrogen containing ring compounds of vegetable origin and sometimes synthesized, some of which are liquid but most of which are solid, that have a bitter taste, that …
103carotene — A class of carotenoids, yellow red pigments (lipochromes) widely distributed in plants and animals, notably in carrots, and closely related in structure to the xanthophylls and lycopenes and to the open chain squalene; of particular interest in… …
104pine oil — essential oil consisting of a colourless to light amber liquid of characteristic odour obtained from pine trees, or a synthetic oil similar in aroma and other properties. Pine oil is used as a solvent for gums, resins, and other substances …
105Inorganic chemistry — For the journal, see Inorganic Chemistry (journal). Inorganic compounds show rich variety: A: Diborane features unusual bonding B: Caesium chloride has an archetypal crystal structure C: Fp2 is an organometallic complex D …
106Cyclopentadiene — Cyclopentadiene …
107Nor- — In chemical nomenclature, nor is a prefix to name a structural analog that can be derived from a parent compound by the removal of one carbon atom along with the accompanying hydrogen. The nor compound can be derived by demethylation or by… …
108Polyanhydrides — are a class of biodegradable polymers characterized by anhydride bonds that connect monomer units of the polymer chain. Their main application is in the medical device and pharmaceutical industry. In vivo, polyanhydrides degrade into non toxic… …
109Organocobalt chemistry — is the chemistry of organometallic compounds containing a carbon to cobalt chemical bond. Organocobalt compounds are involved in several organic reactions and the important biomolecule vitamin B12 has a cobalt carbon bond. Many organocobalt… …
110Porphyrin — Structure of porphine, the simplest porphyrin Heme group of hemoglobin. An …
