What's the difference between undecane and undecyl?
Undecane
Definition:
(n.) A liquid hydrocarbon, C11H24, of the methane series, found in petroleum; -- so called from its containing eleven carbon atoms in the molecule.
Example Sentences:
(1) Fusing equimolecular amounts of 3-oxaspiro[5.5]undecane-2.4-dione with certain amino compounds afforded the corresponding N-substituted azaspirodiones.
(2) Reacting 3-azaspiro[5.5]undecane-2.4-dione with certain secondary amines under the Mannich conditions yielded the expected bases.
(3) 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.
(4) It consists of chlorophyll and other lipids or surfactants absorbed to the surface of polyethylene particles, which have been swelled with undecane to allow the lipophilic parts of these molecules to be anchored firmly in the hydrocarbon substrate.
(5) Spiro[4.5]decane-2-carboxylic acid (12a), spiro[4.5]decane-2,2-dicarboxylic acid (11a), spiro[4.6]undecane-2-carboxylic acid (12b), spiro[4.6]undecane- 2,2-dicarboxylic acid (11b), and spiro[4.6]undecane-2-acetic acid (13) were synthesized by an improved method and evaluated for anticonvulsant activity.
(6) Spiro[4.6]undecane-2-carboxylic acid (12b) was the most active analogue tested and the pentylenetetrazol and picrotoxin evaluations of 12b compared favorably to 1.
(7) The unsubstituted hydrocarbons were straight-chain (n-hexane through n-undecane) and branch-chain (eight carbons).
(8) Cells grown on n-tridecane or n-tetradecane yielded small amounts of acids homologous to the carbon source, but a similar correlation was not noted for n-decane, n-undecane, or n-dodecane.
(9) Non-proteinogenous aminobutyric acids were found in the pool of the cells grown on all tested media with an exception of the medium containing undecane.
(10) The pharmacokinetic and pharmacodynamic properties of the spiro carboxylic acid, spiro[4.6]undecane-2-carboxylic acid (SUCA, ADD 93024), were investigated in rats and compared with those of the standard anticonvulsant carboxylic acid, valproate (VPA).
(11) The adsorbed amounts decreased approximately in the order: propanal, biacetyl, hexenal, hexanal, acetone, pentan-3-one, nonan-3-one, undecanal and nonan-5-one, but there were great differences in the adsorption capacity of the amino acids.
(12) Histrionicotoxin is (2pR, 6S, 7pS, 8aS)-7-(cis-1-buten-3-ynyl)-8-hydroxy-2-(cis-2-penten-4- ynyl)-1-azaspiro[5.5] undecane, while in dihydro-isohistrionicotoxin the acetylenic 2-pentenynyl side chain is replaced by an allenic 2-(3,4 pentadienyl) substituent.
(13) The maximum effect within the first 10 min of the exposure period decreased from heptane to undecane, equivalent to a decrease in intrinsic activity.
(14) In addition, most strains of this species grew on undecane and 1-dodecene after prolonged incubation.
(15) Reacting one equivalent of ethylene-diamine with two equivalents of 2-oxaspiro[4.4]nonane-1.3-dione and the next higher homologues, viz, the decane and undecane afforded the respective ethylene bis-azaspirodiones.
(16) grown on n-undecane, but not cells grown on glycerol, dehalogenated 1,9-dichlorononane in the presence of chloramphenicol.
(17) The following compounds enhanced remarkably the carcinogenicity of B[a]P: catechol, pyrogallol, decane, undecane, pyrene, benzo[e]pyrene, and fluoranthene.
(18) Resting cells of five other n-undecane-utilizing bacteria cleaved the halogen from dichlorononane and 6-bromohexanoate, and four dehalogenated 1-chloroheptane; however, none of these organisms used 1,9-dichlorononane for growth.
(19) We were not able to obtain an estimate for undecane due to the low intrinsic activity.
(20) A second poly(ortho ester) system, developed at SRI International, is prepared by the addition of polyols to the diketene acetal 3,9 bis (ethylidene 2,4,8,10 tetraoxaspiro [5,5] undecane).
Undecyl
Definition:
(n.) The radical regarded as characteristic of undecylic acid.
Example Sentences:
(1) Three lines of evidence indicate that the lesion of R126 disrupts electron transfer from quinol to Rieske FeS: 1) the degree of cytochrome c1 + c2 re-reduction following a flash is indicative of electron transfer from Rieske FeS to cytochrome c1 + c2 without redox equilibration with an additional electron from a quinol; 2) inhibitors that act at the Qz site and raise the Rieske FeS midpoint redox potential (Em), namely 5-undecyl-6-hydroxy-4,7-dioxobenzothiazole or 3-alkyl-2-hydroxy-1,4-napthoquinone, have no effect on cytochrome c1 + c2 oxidation in R126; 3) the Rieske FeS center, although it exhibits normal redox behavior, is unable to report the redox state of the quinone pool, as metered by its EPR line shape properties.
(2) Using the 'DNA-synthesator', we synthesized oligo, complementary to the loop-forming site of the RNA, encoding polymerase 3 of the influenza virus (type A), and combined it with the undecyl residue added to the 5' terminal phosphate group.
(3) Anabolic agents of nonsteroidal structure, (group [c]) like stilbene derivatives and zeranol (6-[6, 10-dihydroxy-undecyl] beta-resorcylicacid-mu-lactone) are not, or only to a minor percentage, catabolized in the body.
(4) The affinity of the weak inhibitor 3-undecyl-2-hydroxy-naphthoquinone was decreased.
(5) The 8-decylthio- and 8-dodecylthio-cAMP compounds stimulated beta-galactosidase synthesis almost eight-fold compared with cAMP, whereas 8-undecyl-, 8-dodectyl-, and 8-tridecylamino-cAMP stimulated beta-galactosidase synthesis about threefold.
(6) The quinone analog, 5-n-undecyl-6-hydroxy-4,7-dioxobenzothiazole (UHDBT), has been shown to inhibit cyanide-sensitive and cyanide-insensitive respiration in higher plant mitochondria.
(7) Undecyl acetate esterase from Pseudomonas cepacia grown on 2-tridecanone was strongly inhibited by organophosphates and other esterase inhibitors.
(8) A residual NADH-oxidation due to the presence of an alternative pathway via cytochrome o (Em, 7 = +250 mV) was sensitive to the quinone analog 5-undecyl-6-hydroxy-4,7-dioxobenzothiazole (UHDBT).
(9) When the enzyme is pretreated with the electron transfer inhibitor 2,5-dibromo-3-methyl-6-isopropylbenzoquinone or 5-n-undecyl-6-hydroxy-4,7-dioxobenzothiazole, significantly less radioactive label is observed in the Mr = 17,000 protein, suggesting that the action sites of these inhibitors are the same or near the plastoquinone-binding site.
(10) The metabolism of the odd-numbered carbon chain surfactant, potassium undecyl [35S]sulphate in the rat was investigated.
(11) Induction of undecyl acetate esterase during oxidation of 2-tridecanone supports the view that undecyl acetate is an intermediate in the degradation of the methyl ketone.
(13) Estradiol-17beta, estradiol-benzoate, estradiol-valerianate, and estradiol-undecylate were injected intravenously and intramuscularly to postmenopausal woman and to female castrates.
(14) The distribution of radioactivity among the subunits of ubiquinol-cytochrome c reductase was not affected by the presence of antimycin A, 5-n-undecyl-6-hydroxy-4,7-dioxobenzothiazole or n-heptyl-4-hydroxyquinoline-N-oxide, suggesting that the binding site(s) of these inhibitors are not the Q-binding site.
(15) The major esterifying alcohol is trans, trans-farnesol, but smaller amounts of geranylgeraniol, tetrahydrogeranylgeraniol, phytol, cis-9-hexadecen-1-ol and 4-undecyl-2-furanmethanol are also observed.
(16) Steam distillation and gas-liquid chromatography were then used to show that failure to demonstrate stoichiometry of sulfate and dodecanol in the alkyl sulfatase reaction in a previous study resulted from contamination of the commercial "Dodecyl Sodium Sulfate, 95%" used with decyl, undecyl, and tetradecyl sulfates.
(17) This intermediate, undecyl acetate, was isolated directly from growing cultures of the organism; the structure of the intermediate was determined by infrared spectroscopy and by gas-liquid chromatographic identification of its hydrolytic products.
(18) 5-Undecyl-6-hydroxyl-4,7-dioxobenzothiazole (UHDBT) shifts the g = 3.49 signal downfield to g = 3.56 and sharpens the g = 3.76 signal slightly.
(19) Stoichiometric studies show that for 1 mol of undecyl acetate formed, 1 mol of O2 is consumed and 1 mol of NADPH is oxidized.
(20) This plastocyanin reduction as catalyzed by Complex III was almost completely inhibited by myxothiazol at stoichiometric concentrations, partially inhibited by UHDBT (5-n-undecyl-6-hydroxy-4,7-dioxobenzothiazole) and funiculosin, and was relatively insensitive to antimycin and HQNO (2-n-heptyl-4-hydroxyquinoline-N-oxide).