acid-catalyzed reaction
91hormone — hormonal, hormonic /hawr mon ik, moh nik/, adj. /hawr mohn/, n. 1. Biochem. any of various internally secreted compounds, as insulin or thyroxine, formed in endocrine glands, that affect the functions of specifically receptive organs or tissues… …
92Homochirality — is a term used to refer to a group of molecules that possess the same sense of chirality. Molecules involved are not necessarily the same compound, but similar groups are arranged in the same way around a central atom. In biology homochirality is …
93Proanthocyanidin — Epicatechin (EC), one of the building blocks of proanthocyanidins Proanthocyanidins, also known as OPCs (oligomeric proanthocyanidins) or condensed tannins, are a subgroup of the flavonoid class of polyphenols. Essentially, they are oligomer… …
94industrial polymers, major — Introduction chemical compounds used in the manufacture of synthetic industrial materials. In the commercial production of plastics, elastomers, man made fibres, adhesives, and surface coatings, a tremendous variety of polymers are… …
95carbohydrate — /kahr boh huy drayt, beuh /, n. any of a class of organic compounds that are polyhydroxy aldehydes or polyhydroxy ketones, or change to such substances on simple chemical transformations, as hydrolysis, oxidation, or reduction, and that form the… …
96drug — drug1 /drug/, n., v., drugged, drugging. n. 1. Pharm. a chemical substance used in the treatment, cure, prevention, or diagnosis of disease or used to otherwise enhance physical or mental well being. 2. (in federal law) a. any substance… …
97Drug — /droog/, n. Zoroastrianism. the cosmic principle of disorder and falsehood. Cf. Asha. [ < Avestan drauga] * * * I Any chemical agent that affects the function of living things. Some, including antibiotics, stimulants, tranquilizers,… …
98Ribonucleotide reductase — protein Name = ribonucleotide reductase M1 polypeptide caption = width = HGNCid = 10451 Symbol = RRM1 AltSymbols = EntrezGene = 6240 OMIM = 180410 RefSeq = NM 001033 UniProt = P23921 PDB = ECnumber = 1.17.4.1 Chromosome = 11 Arm = p Band = 15.5… …
99Organopalladium — chemistry is a branch of organometallic chemistry that deals with organic palladium compounds and their reactions. Palladium is often used as a catalyst in the reduction of alkenes and alkynes with hydrogen. This process involves the formation of …
100Hammett equation — ; 1935; 17(1); 125 136 [http://pubs.acs.org/cgi bin/abstract.cgi/chreay/1935/17/i01/f pdf/f cr60056a010.pdf Abstract] ] .The basic idea is that for any two reactions with two aromatic reactants only differing in the type of substituent the change …
