What's the difference between propene and propenyl?
Propene
Definition:
(n.) Same as Propylene.
Example Sentences:
(1) At ambient temperature the benzylidene hydrazide of 3-(3,4-dimethoxyphenyl)propenic acid (VII) and a small amount of compound VIII were isolated.
(2) The mutagenic activities of mixtures of nitrogen dioxide and 1,3-butadiene or propene were investigated after uv-irradiation in a small, laboratory-bench scale flow-through gas exposure system.
(3) Feeding 1-amino-3-imino N,N' propene diacetate (AIPD) produced 2 metabolic by products with active aldehyde groups 1-amino propenal acetic acid (APA) and malonyldialdehyde (MDA) that transiently block the lysine epsilon-amino groups of all proteins and lipoproteins in vivo.
(4) Acute toxicity is believed to involve metabolism of allylamine to highly reactive acrolein (2-propenal).
(5) Vinylogous hydroxamic acids (3-(N-hydroxy-N-alkylamino)-2-propen-1-ones, VHA) were prepared as antiinflammatory agents.
(6) (E)- and (Z)-1,2,3-triphenyl-2-propen-1-ones and some of their phenolic and alkoxy analogues, substituted at the para position in one or more of the aromatic rings, were synthesized and assigned geometry on the basis of their spectroscopic data.
(7) All the data taken together suggested that the RPS's were the stereoisomer of 3-(2-ethyl-5-hydroxy-3-oxo) cyclopentanyl-2-propenal.
(8) 1-(2,6-Dihydroxy-4-methoxyphenyl)-3-(4-methoxyphenyl)-2-propen-1-o ne, C17H16O5, Mr = 300.31, orthorhombic, Pbca, a = 27.903 (3), b = 13.958 (2), c = 7.662 (1) A, V = 2984 (1) A3, Z = 8, D chi = 1.337 Mg m-3, lambda(Cu K alpha) = 1.5418 A, mu = 0.729 mm-1, F(000) = 1264, T = 295 K, R = 0.040 for 1702 observed reflections.
(9) The 5'-monophosphate oligonucleotide ends produced from thymine propenal formation have been converted to inorganic phosphate by the action of alkaline phosphatase, and the phosphate has been analyzed for 18O content by 31P NMR spectroscopy.
(10) 1-(Fluoren-2-yl)-2-propen-1-one (vinyl fluorenyl ketone, VFK) was shown to be a potent and irreversible inactivator of NAT II activities.
(11) These data suggest a mechanism of inactivation which involves the transamination of the nascent product to the pyruvoyl group, followed by the elimination of methylthioadenosine and the generation of a 2-propenal equivalent which could undergo a Michael addition to the enzyme.
(12) In the reaction of 3-(3,4-dimethoxyphenyl)propenic acid chloride with benzylidene hydrazide (VII) at 70-80 degrees C, compound VIII was obtained (Scheme 1).
(13) Treatment of calf thymus deoxyribonucleic acid (DNA) with bleomycin-Fe(II) at 0 degree C for 5 min resulted in the formation of 8-hydroxyguanine (8-OH-Gua) residues in DNA in a dose dependent manner, in addition to the formation of base propenal, a DNA-degradation product.
(14) It is a useful intermediate in the preparation of a new class of chromophoric spin label substrates for enzyme studies, as shown by the synthesis of O-3-(2,2,5,5-tetramethylpyrroline-1-oxyl)-propen-2-oyl-L-beta-phenyllactic acid, a specific ester substrate of bovine pancreatic carboxypeptidase A (peptidyl-L-amino acid hydrolase; EC 3.4.12.2).
(15) We have identified a new radiation product (thymin-1'-yl)-propenal as the TBA-reactive product of gamma-irradiation of thymidine.
(16) These phosphate-containing compounds increase both the release of free nucleic base and that of base propenals which are DNA cleavage products, probably by enhancing the efficiency with which Fe(II) is recruited into the drug.
(17) From 3-(3,4-dimethoxyphenyl)propenic acid chloride and substituted amines and hydrazides, the appropriate amides and hydrazides (Table 1) were synthesized at 60-80 degrees C in the medium of benzene or toluene.
(18) Approximately 0.25 ppm butadiene, compared to 100 ppm propene, was needed to give a significant mutagenic effect with 0.25 ppm NO2 after 6 hr exposure.
(19) Male CBA mice were exposed to propene, unlabelled or 14C-labelled, by inhalation, or to 14C-labelled propylene oxide by intraperitoneal injection.
(20) An approximate 1:4 ratio was observed between butadiene and propene which both originate predominantly from vehicle exhaust.
Propenyl
Definition:
(n.) A hypothetical hydrocarbon radical, C3H5, isomeric with allyl and glyceryl, and regarded as the essential residue of glycerin. Cf. Allyl, and Glyceryl.
Example Sentences:
(1) Moreover, the GABA-induced inhibition of [3H]-GABA release was not affected by two GABAA receptor antagonists, bicuculline or SR 95531 (2-(3'-carbethoxy-2'-propenyl)-3-amino-6-paramethoxy-phenyl-pyr idazinium bromide).
(2) The fluorescence of the dye CC-6 [(3-hexyl-2-(3-hexyl-2-benzoxazolinylidene)-1-propenyl)-benzoxazolium iodide] has been shown to indicate Donnan potentials in rabbit skeletal muscle myofibrils.
(3) Synthesis of the geometric isomers of 2-(1'-propenyl)-2-pentenoic acid and 2-(1'-propenyl)-3-pentenoic acid was attempted using known procedures.
(4) Three prodrug esters (2a approximately 2c) of 3-(2-propenyl)cephem (1a) have been prepared and their oral absorption was determined in rats and mice.
(5) The synthesis and structure-activity relationships of 7-[D-alpha-amino-alpha-(4-hydroxyphenyl)-acetamido]-3-[(Z)-1-propenyl]- 3-cephem-4-carboxylic acid (BMY-28100) and its analogs in the 3- and 7-side chains are described.
(6) The activity was increased by the substitution of a bulky alkyl group(s) (R), and among such compounds, (E)-4-[3-(3,5-di-tert-butylphenyl)-3-oxo-1-propenyl]benzoic acid (Ch55) and (E)-4-[3-oxo-3-(5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthalenyl)-1 -propenyl]benzoic acid (Ch80) are several times more active than retinoic acid.
(7) Using the plate incorporation method, 3-butenyl-(2-propenyl)-N-nitrosamine, 3-hydroxybutyl (2-hydroxypropyl)-N-nitrosamine, 4-hyroxybutyl-(2-hydroxypropyl)-N-nitrosamine, 4 hydroxybutyl-(3-hydroxypropyl)-N-nitrosamine, and in the liquid test 3-hydroxybutyl-(3-hydroxypropyl)-N-nitrosamine were mutagenic in the absence of S9 mix.
(8) Retinoids of a structurally new type, 4-(5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthalenylcarbamoyl)benzoic acid (Am80) and (E)-4-[3-(3,5-di-tert-butylphenyl)-3-oxo-1-propenyl]-benzoic acid (Ch55), were used for the investigation of retinoid receptors in some human cell lines.
(9) In rats, N-acetyl-S-(1,2-dichloro-3,3,3-trifluoro-1-propenyl)-L-cysteine was a major urinary metabolite of TCTFP.
(10) N-acetyl-S-(2-oxopropyl)-L-cysteine (I), N-acetyl-S-(2-hydroxypropyl)-L-cysteine (II), N-acetyl-S-(1-carboxyethyl)-L-cysteine (III), and N-acetyl-S-(2-bromo-2-propenyl)-L-cysteine (IV).
(11) The uptake of all-trans-retinoic acid (RA) and two new retinoids [4-(5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthalenylcarbamoyl )benzoic acid (Am80) and (E)-4-[3-(3,5-di-tert-butylphenyl)-3-oxo-1-propenyl]benzoic acid (Ch55)] by HL-60 human promyelocytic leukemia cells was investigated.
(12) The oxidative metabolism of flunarizine [1-[bis(4-fluorophenyl)-methyl]-4-(3-phenyl-2-propenyl)piperazine, FZ] to 1-[bis-(4-fluorophenyl)methyl]piperazine (M-1), 1-[bis(4-fluorophenyl)methyl]-4-[3-(4'-hydroxyphenyl)-2- propenyl]piperazine (M-2) and 4,4'-difluorobenzophenone (M-3) has been studied in liver microsomes of Wistar and Dark Agouti (DA) rats.
(13) GK 13 (N-[1-(2-benzo (b) thiophenyl)-cyclohexyl] piperidine), GBR 12783 (1-[2-(diphenylmethoxy)-ethyl] 4-(3-phenyl propenyl)-piperazine and dexamphetamine are three indirect catecholaminergic agonists, acting via different neurochemical mechanisms.
(14) L-Asparaginase from Escherichia coli, an anti-tumor enzyme, was chemically modified with two types of maleic anhydride copolymers with a comb-shaped form, the one composed of polyoxyethylene allyl methyl diether with the molecular weight of 13,000 (activated PM13) and the other of polyoxyethylene 2-methyl-2-propenyl methyl diether with 100,000 (activated PM100).
(15) 1-Phenyl-3-(2-propenyl)-4-acetoxy-1,8-naphthyridin-2(1H)-one, Sch 33303 (12), was selected for preclinical development as an antiallergy agent.
(16) The inhibitory effect of GABA was not counteracted by the GABAA receptor antagonists bicuculline or SR 95531 [2-(3'-carbethoxy-2'-propenyl)-3-amino-6-paramethoxy-phenyl-pyr idazinium bromide].
(17) The combination of the 2,2,4,4-tetramethylthiochroman group and the benzoic acid (or ester) terminal group seemed to enhance the biological action which resembles that found with (E)-4-[2-(5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthalenyl)- 1-propenyl]benzoic acid (TTNPB, 6b), a well-known model system.
(18) The most active heteroarotinoids were ester 10 [methyl (E)-4-[2-(2,2,4,4-tetramethylthiochroman-6-yl)-1- propenyl]benzoate] and acid 11 [(E)-4-[2-(2,2,4,4-tetramethyl-3,4- dihydro-2H-1- benzothiopyran-6-yl)-1-propenyl]benzoic acid].
(19) Structure-activity studies of the lead compound in this series, 1-phenyl-3-n-butyl-4-hydroxynaphthyridin-2(1H)-one (11), identified three compounds of interest, 1-phenyl-3-(2-propenyl)-4-acetoxy-1,8-naphthyridin-2(1H)-one (12), 1-(3'-chlorophenyl)-3-(2-propenyl)-4-acetoxy-1,8-naphthyridin-2(1H )-one (87), and 1-(3'-methoxyphenyl)-3-(2-propenyl)-4-acetoxy-1,8-naphthyridin-2(1 H)-one (89).
(20) Alternatively, the 1-propenyl intermediate was obtained directly by using 1-propenyl 2,4,6-tri-O-benzyl-alpha-D-galactopyranoside as the acceptor in the initial coupling reaction.