diisopropyl

diisopropyl

[dī¦ī‚sō′prō·pəl]
(organic chemistry)
A molecule containing two isopropyl groups.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The condensation in an alkaline environment, commonly uses alkali including Et3N, triethylene-diamine [28], dinitrogen complex [29], tetrabutyl-ammonium hydroxide, piperidine [30], pyrroline, N,N - diisopropyl ethyl amine, pyridine, dimethyl-amino-pyridine, aniline, N-methyl aniline, N,N-dimethyl aniline, K2CO3 [31], zinc (II), and Cd (II) metal-organic frameworks [32].
From bottom to top: Light yellow = drinking water volatile organic compounds; light green = urinary perchlorate, nitrate, and thiocyanate; gray = phytoestrogens; light cyan = phthalates; midnight blue = urinary metals; cyan = current use pesticides; salmon = urinary arsenic; tan = smoking; green yellow = environmental pesticides; purple = PFC (perfluorinated compound); magenta = PCB; pink = PAH; black = organophosphate pesticides; red = organochlorine pesticides; green = environmental phenols; yellow = DFP (diisopropyl fluorophosphate); brown = carbamates; blue = blood volatile organic compounds; turquoise = blood metals.
Next, 675 [micro]L of delipidation solution made of 60% (v/v) diisopropyl ether (DIPE) and 40% (v/v) butanol were added.
Creatinine measurement is based on peroxidase like activity of a copper containing complex that catalyzes the reaction of diisopropyl benzene dihydroperoxide and 3, 3, 5, 5 tetramethyl benzene.
After evaporation of the solvent, the residue was taken up with diisopropyl ether and few drops of ethyl acetate and the chloropurine derivatives 13a,b crystallized.
TFN was extracted from filtrate with diisopropyl ether; solvent was evaporated and remaining TFN was redissolved in 2 mL of acetonitrile.
Abbreviations of Inhibitors and Activators of Proteases AEBSF: 4-(2-Aminoethyl) benzenesulfonyl fluoride DIFP: Diisopropyl fluorophosphates DTT: Dithiothreitol EDTA: Ethylenediaminetetraacetic acid E64: Trans-epoxysuccinyl-L-leucylamido(4-guanidino)butane IA: Iodoacetamide NEM: N-ethylmaleimide PHMB: p-Hydroxymercuribenzoate PMSF: Phenylmethylsulfonylfluoride TLCK: Tosyl-lysyl-chloromethylketone TPCK: 1-Chloro-3-tosylamido-4-phenyl-2-butanone Z-FA-FMK: Benzyloxycarbonyl-Phe-Ala-fluoromethyl ketone.
228, 230 (2004), The Geometry of Organophosphonates: Fourier-Transform Microwave Spectroscopy and ab initio study of Diethyl Methylphosphonate, Diethyl Ethylphosphonate, and Diisopropyl methylphosphonate.
Several affinity chromatography methods were applied by different workers, including; insolubilized diisopropyl fluorophosphates (DIP) plasmin as the affinity ligand (18).
Inhibition of the proteinase and esterase activities of trypsin and chymotrypsin by diisopropyl fluorophosphate; crystallization of inhibited chymotrypsin.
To a solution of 1.63 g (10.0 mmol) 2,4-dichloro-6-methylpyrimidine in 10 mL iso-propanol, 1.97 mL (11.0 mmol) diisopropyl ethylamine (DIPEA) and 1.65 g (11.0 mmol) 6-aminobenzothiazole were added.
It seems likely that the diisopropyl radical is the responsible allergenic component (1).