substituted aldehydes
91amine — aminic /euh mee nik, euh min ik/, adj. aminity /euh min i tee/, n. /euh meen , am in/, n. Chem. any of a class of compounds derived from ammonia by replacement of one or more hydrogen atoms with organic groups. [1860 65; AM(MONIUM) + INE2] * * *… …
92coordination compound — Chem. complex (def. 10). Also called coordination complex. * * * ▪ chemistry Introduction any of a class of substances with chemical structures in which a central metal atom is surrounded by nonmetal atoms or groups of atoms, called ligands… …
93ketene — /kee teen/, n. Chem. a colorless, poisonous gas, C2H2O, irritating to the lungs, prepared from acetone or acetic acid by pyrolysis: used chiefly in the manufacture of certain commercial chemicals, as acetic anhydride and aspirin. [1905 10; KET +… …
94radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …
95hydrazone — A substance derived from aldehydes and ketones by reaction with hydrazine or a hydrazine derivative to give the grouping R′R″C=N NHR. * * * hy·dra·zone hī drə .zōn n any of a class of compounds containing the group >C=NNHR formed by the action …
96sugars — Those carbohydrates (saccharides) having the general composition (CH2O)n and simple derivatives thereof. Although the simple monomeric s. (glycoses) are often written as polyhydroxy aldehydes or ketones, e.g., HOCH2–(CHOH)4–CHO for aldohexoses (… …
97Arylcyclohexylamine — Phencyclidine, the prototypal arylcyclohexylamine derivative. Arylcyclohexylamines, also known as arylcyclohexamines or arylcyclohexanamines, are a chemical class of pharmaceutical, designer, and experimental drugs. Contents …
98Concurrent tandem catalysis — (CTC) is a technique in chemistry which uses multiple catalysts on a single molecule in a one pot vessel to produce a product otherwise not accessible by a single catalyst. (see one pot synthesis) The scheme below illustrates this process.… …
99Corey–Kim oxidation — The Corey–Kim oxidation is an oxidation reaction used to synthesise aldehydes and ketones from primary and secondary alcohols.[1][2][3][4][5] It is named for American chemist and Nobelist Elias James Corey and Korean American chemist Choung Un… …
100Friedel–Crafts reaction — The Friedel–Crafts reactions are a set of reactions developed by Charles Friedel and James Crafts in 1877.[1] There are two main types of Friedel–Crafts reactions: alkylation reactions and acylation reactions. This reaction type is a form of… …
