Definition Ethers are organic molecules with the general structure R1-O-R2, where R1 and R2 are identical for symmetrical ethers. The radicals can be aliphatic or aromatic. Cyclic ethers exist, such as tetrahydrofuran (THF). Ethers can be prepared using, for example, Williamson’s synthesis: R1-X + R2-O–Na+ R1-O-R2 + NaX X stands for halogens Nomenclature Trivial names … Ether
Products Butylated hydroxyanisole is found in numerous drugs as an excipient, for example in semisolid and liquid dosage forms, as well as in tablets and soft capsules. Structure and properties Butylated hydroxyanisole (C11H16O2, Mr = 180.3 g/mol) exists as a white to yellowish or faintly pinkish crystalline powder that is practically insoluble in water. It … Butylhydroxyanisole
Definition The best-known representative of the aromatics is benzene (benzenes), which consists of six carbon atoms arranged in a ring with angles of 120°. Benzene is usually drawn like a cylcoalkene, each with three alternating single and double bonds. However, benzene and the other aromatics do not belong to the alkenes and behave chemically differently. … Aromatics
