(n.) One of a group of metameric hydrocarbons C9H20 of the paraffin series; -- so called because of the nine carbon atoms in the molecule. Normal nonane is a colorless volatile liquid, an ingredient of ordinary kerosene.
Example Sentences:
(1) Mannich bases derived from a number of substituted acetophenones and propiophenones and 3-azabicyclo[3.2.2]nonane have been evaluated for antitussive activity.
(2) The most potent compound of the series, 3-(3-azabicyclo[2.2.2]nonan-3-yl)-4'-benzyloxy-2-methyl propiophenone, also exhibited antimorphine activity.
(3) The synthesis of a new series of N,N'-disubstituted 6,7-diazabicyclo[3.2.2]nonane derivatives is described.
(4) These ranges (expressed as mmHg vapour pressure at 25 degrees C) can be defined approximately as 140 (methylcyclopentane)-0.65 (n-undecane) for charcoal, 5.1 (n-nonane)-0.000061 (n-docosane) for polyurethane foam and 29 (toluene)-0.000029 (n-eicosane) for the CLST.
(5) Maximum increases in maximum penetration rates of 6.5-fold (n-nonane) and 8.2-fold (n-nonanol) were determined.
(6) The three radioactive metabolites were identified by combined g.l.c.-mass spectroscopy as the unchanged parent ester, nonan-1-ol-5-sulphate and nonanoate-5-sulphate.
(7) The concentrations of the C9 hydrocarbons n-nonane, 1,2,4-trimethylbenzene and 1,2,4-trimethylcyclohexane were measured in rat blood, brain and perirenal fat after exposures to 1000 p.p.m.
(8) Hippocampal brain slices were incubated with depolarizing agents or excitatory amino acids either alone or in the presence of excitatory amino acid antagonists [omega-phosphonic alpha-aminocarboxylic acids--2-amino-4-phosphonobutyric acid (AP4), 2-amino-5-phosphonovaleric acid (AP5), or 2-amino-7-phosphonoheptanoic acid (AP7)--or gamma-D-glutamylaminomethylsulphonic acid (GAMS)] or a calcium-channel blocker, (S)-1-(3-methoxyphenyl)-3-methylaza-7-cyano-7-(3,4-dimethoxyphenyl )-8-methyl- nonane hydrochloride [(-)-D888].
(9) Three ring beta-secoestradiols, 2alpha,3beta- and 2beta,3beta-2-ethyl-3-(p-hydroxyphenyl)-6beta-methyl-trans-bicyclo[4.3.0]nonan-7beta-ols, have been synthesized and some of them shown to possess significant antiimplantation activity in rats.
(10) The same metabolites were produced by isolated rat livers perfused with potassium nonan-5-[35S]sulphate.
(11) Hydrogen peroxide, another product of PC ozonation, did not induce hemolysis; however, a combination of H2O2 and nonanal was significantly more hemolytic than nonanal alone.
(12) Formation of diol 18 from oxirane 17 was accompanied by formation of 2-oxa-4-azabicyclo[3.3.1]nonan-3-one 19.
(13) The saturated analogue nonanal is a poor substrate and only a small proportion of it is converted to the alcohol.
(14) Cells cultured on nonane, the only odd-numbered alkane tested, contained both odd- and even-chain fatty acids.
(15) The diazabicycloalkyl side chains investigated at the 7-position (benzoxazine 10-position) include (1S,4S)-5-methyl-2,5-diazabicyclo[2.2.1]heptane (2), (1S,4S)-2,5-diazabicyclo[2.2.1]heptane (3), (1R,4R)-5-methyl-2,5-diazabicyclo[2.2.1]heptane (4), 8-methyl-3,8-diazabicyclo[3.2.1]octane (5), 9-methyl-3,9-diazabicyclo[4.2.1]nonane (6), 1,4-diazabicyclo[3.2.2]nonane (7), 1,4-diazabicyclo[3.3.1]nonane (8), and 9-methyl-3,9-diazabicyclo[3.3.1]nonane (9).
(16) ]nonane monohydrochloride) was investigated in a variety of experimental arrhythmic models.
(17) The effects of an in vitro bradycardic agent without negative inotropism, KC 8857 (3,7-di-(cyclopropylmethyl)-9,9-tetramethylene-3,7-diazabicyclo-[3.3.1]- nonane dihydrochloride), were tested in chronically instrumented dogs in a model of exercise-induced myocardial ischemia.
(18) Nonanal did not significantly impair the tubulin characteristics in the cells, despite the fact that it has been shown to be active on the purified microtubular system; benzaldehyde was ineffective.
(19) The metabolism of potassium nonan-5-[35S]sulphate, a symmetrical secondary alkylsulphate ester, was investigated in the rat.
(20) The pseudophrynamine class (3a-prenyl pyrrolo[2,3-b]indoles) are unique to this genus of frogs of the family Myobatrachidae, while the pumiliotoxin-A class (8-hydroxy-8-methyl-6-alkylidene-1-azabicyclo[4.3.0]nonanes) also occur in dendrobatid frogs of the genera Dendrobates, Epipedobates, and Minyobates, in ranid frogs of the genus Mantella, and in bufonid toads of the genus Melanophryniscus.
Nonsane
Definition:
(a.) Unsound; not perfect; as, a person of nonsane memory.