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4-Phenyl-1-(prop-2-yn-1-yl)-1H-1,5-benzodiazepin-2(3H)-one.
Loughzail M, Fernandes JA, Baouid A, Essaber M, Cavaleiro JA, Almeida Paz FA. Loughzail M, et al. Acta Crystallogr Sect E Struct Rep Online. 2011 Aug 1;67(Pt 8):o2075-6. doi: 10.1107/S1600536811027371. Epub 2011 Jul 23. Acta Crystallogr Sect E Struct Rep Online. 2011. PMID: 22091098 Free PMC article.
4-Phenyl-1H-1,5-benzodiazepin-2(3H)-one reacts in the pres-ence of a concentrated aqueous solution of sodium hydroxide and a quaternary ammonium salt (as catalyst) in benzene (phase transfer catalysis) with propargyl bromide, affording the title benzodiazepine deriv …
4-Phenyl-1H-1,5-benzodiazepin-2(3H)-one reacts in the pres-ence of a concentrated aqueous solution of sodium hydroxide and a quaternary ammo …
Investigation of pyridine/propargyl bromide reaction and strong fluorescence enhancements of the resultant poly(propargyl pyridinium bromide).
Zhou C, Gao Y, Chen D. Zhou C, et al. J Phys Chem B. 2012 Sep 20;116(37):11552-9. doi: 10.1021/jp305298x. Epub 2012 Sep 6. J Phys Chem B. 2012. PMID: 22928912
Poly(propargyl pyridinium bromide), a kind of conjugated polyelectrolyte with polyacetylene as the backbone and pyridinium as side groups, was synthesized simply via reaction between pyridine and propargyl bromide under mild conditions. The resultant polymer was cha …
Poly(propargyl pyridinium bromide), a kind of conjugated polyelectrolyte with polyacetylene as the backbone and pyridinium as side groups, w …
Palladium(II)-assisted activation of thioglycosides.
Escopy S, Singh Y, Demchenko AV. Escopy S, et al. Org Biomol Chem. 2021 Mar 11;19(9):2044-2054. doi: 10.1039/d1ob00004g. Org Biomol Chem. 2021. PMID: 33599667 Free PMC article.
While the activation with PdBr2 alone was proven feasible, higher yields and cleaner reactions were achieved when these glycosylations were performed in the presence of propargyl bromide as an additive. Preliminary mechanistic studies suggest that propargyl …
While the activation with PdBr2 alone was proven feasible, higher yields and cleaner reactions were achieved when these glycosylations were …
Copper(I)-catalyzed asymmetric alkylation of α-imino-esters.
Liu ZC, Wang ZQ, Zhang X, Yin L. Liu ZC, et al. Nat Commun. 2023 Apr 17;14(1):2187. doi: 10.1038/s41467-023-37967-y. Nat Commun. 2023. PMID: 37069200 Free PMC article.
Hereby, we disclose a copper(I)-catalyzed asymmetric alkylation of alpha-imino-esters with various alkyl halides, including allyl bromides, propargyl bromide, benzyl bromides, alpha-bromo carbonyl compounds, and alkyl iodides. ...
Hereby, we disclose a copper(I)-catalyzed asymmetric alkylation of alpha-imino-esters with various alkyl halides, including allyl bromides, …
Evaluation of propargyl bromide for control of barnyardgrass and Fusarium oxysporum in three soils.
Ma Q, Gan J, Becker JO, Papiernik SK, Yates SR. Ma Q, et al. Pest Manag Sci. 2001 Sep;57(9):781-6. doi: 10.1002/ps.355. Pest Manag Sci. 2001. PMID: 11561402
Soil was mixed with barnyardgrass seeds or F oxysporum colonized on millet seeds, and treated with propargyl bromide at a range of concentrations. The mortality of the fungi and weed seeds was determined after 24 h of exposure at 30 degrees C. ...These results sugge …
Soil was mixed with barnyardgrass seeds or F oxysporum colonized on millet seeds, and treated with propargyl bromide at a rang …
Photodissociation of propargyl bromide and photoionization of the propargyl radical.
Fan H, Pratt ST. Fan H, et al. J Chem Phys. 2006 Apr 14;124(14):144313. doi: 10.1063/1.2187975. J Chem Phys. 2006. PMID: 16626202
Velocity map imaging was used to study the 193 nm photodissociation of propargyl bromide C(3)H(3)Br as well as the photoionization dynamics of the resulting propargyl radical C(3)H(3). ...
Velocity map imaging was used to study the 193 nm photodissociation of propargyl bromide C(3)H(3)Br as well as the photoioniza …
Fluorescence-Based High-Throughput Salt Screening.
Kimura K, Onishi S, Moriyama K. Kimura K, et al. J Pharm Sci. 2018 Jul;107(7):1870-1878. doi: 10.1016/j.xphs.2018.02.018. Epub 2018 Feb 28. J Pharm Sci. 2018. PMID: 29499276
A free form amine API was alkynylated by a solid-vapor reaction using propargyl bromide, and a fluorescent compound was produced by a subsequent reaction using 9-azidomethylanthracene. In contrast, salts were inert to propargyl bromide; thus, no fluore …
A free form amine API was alkynylated by a solid-vapor reaction using propargyl bromide, and a fluorescent compound was produc …
7alpha-alkylation and 7,7-bis-alkylation of 20-hydroxyecdysone with propargyl bromide in a lithium-ammonia solution and catalytic reductive spirocyclization of 7,7-bis(2-propyn-1-yl)-14-deoxy-delta(8(14))-20-hydroxyecdysone.
Galyautdinov IV, Khairullina ZR, Sametov VP, Muslimov ZS, Khalilov LM, Odinokov VN. Galyautdinov IV, et al. Steroids. 2016 Mar;107:121-7. doi: 10.1016/j.steroids.2016.01.002. Epub 2016 Jan 6. Steroids. 2016. PMID: 26768414
7alpha-Alkylation and 7,7-bis-alkylation of 20-hydroxyecdysone with propargyl bromide in a lithium-ammonia solution resulted in the formation of 7alpha-(2-propyn-1-yl)- and 7,7-bis(2-propyn-1-yl)-14-deoxy-delta(8(14))-20-hydroxyecdysone in 92% and 75% yield respecti …
7alpha-Alkylation and 7,7-bis-alkylation of 20-hydroxyecdysone with propargyl bromide in a lithium-ammonia solution resulted i …
N-[4-(2-Propyn-1-yl-oxy)phen-yl]acetamide.
Belay YH, Kinfe HH, Muller A. Belay YH, et al. Acta Crystallogr Sect E Struct Rep Online. 2012 Nov 1;68(Pt 11):o3072. doi: 10.1107/S1600536812041207. Epub 2012 Oct 6. Acta Crystallogr Sect E Struct Rep Online. 2012. PMID: 23284406 Free PMC article.
The title compound, C(11)H(11)NO(2), was synthesized by chemoselective N-acetyl-ation of 4-amino-phenol followed by reaction with propargyl bromide in the presence of K(2)CO(3). the acetamide and propyn-1-yloxy substituents form dihedral angles of 18.31 (6) and 7.01 …
The title compound, C(11)H(11)NO(2), was synthesized by chemoselective N-acetyl-ation of 4-amino-phenol followed by reaction with proparg …
Gas-phase sorption-desorption of propargyl bromide and 1,3-dichloropropene on plastic materials.
Allaire SE, Yates SR, Ernst F, Papiernik SK. Allaire SE, et al. J Environ Qual. 2003 Sep-Oct;32(5):1915-21. doi: 10.2134/jeq2003.1915. J Environ Qual. 2003. PMID: 14535338
The goal of this research was to provide information for choosing appropriate materials for studying gas-phase concentrations of propargyl bromide (3BP) and 1,3-dichloropropene (1,3-D) in laboratory experiments. ...
The goal of this research was to provide information for choosing appropriate materials for studying gas-phase concentrations of propargy …
166 results