Category: 17190-29-3

Heterocyclic compounds can be divided into two categories: alicyclic heterocycles and aromatic heterocycles. Compounds whose heterocycles in the molecular skeleton cannot reflect aromaticity are called alicyclic heterocyclic compounds. Compound: 17190-29-3, is researched, Molecular C9H9NO, about Ring opening of epoxides with acetone cyanohydrin catalyzed by lanthanoid(III) alkoxides, the main research direction is epoxide cleavage acetone cyanohydrin catalyst lanthanoid; aziridine cleavage acetone cyanohydrin catalyst lanthanoid; hydroxy nitrile; amino nitrile.Recommanded Product: 17190-29-3.

Ring opening of epoxides with NCCMe2OH is promoted by a catalytic amount of lanthanoid(III) alkoxide Ln(OCHMe2)3 (Ln = La, Ce, Sm, Yb) to provide β-hydroxy nitriles. Similarly, N-tosylpropylenimine was cleaved by the cyanohydrin and La(OCHMe2)3 to give 3-(tosylamino)butyronitrile.

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The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: 3-Hydroxy-3-phenylpropanenitrile( cas:17190-29-3 ) is researched.Formula: C9H9NO.Talwar, Dinesh; Wu, Xiaofeng; Saidi, Ourida; Salguero, Noemi Poyatos; Xiao, Jianliang published the article 《Versatile Iridicycle Catalysts for Highly Efficient and Chemoselective Transfer Hydrogenation of Carbonyl Compounds in Water》 about this compound( cas:17190-29-3 ) in Chemistry – A European Journal. Keywords: iridium transfer hydrogenation reduction carbonyl compound; carbonyl groups; cyclometalated complexes; iridium; transfer hydrogenation; water. Let’s learn more about this compound (cas:17190-29-3).

Cyclometalated iridium complexes are shown to be highly efficient and chemoselective catalysts for the transfer hydrogenation of a wide range of carbonyl groups with formic acid in water. Examples include α-substituted ketones (α-ether, α-halo, α-hydroxy, α-amino, α-nitrile or α-ester), α-keto esters, β-keto esters and α,β-unsaturated aldehydes. The reduction was carried out at substrate/catalyst ratios of up to 50 000 at pH 4.5 and required no organic solvent. The protocol provides a practical, easy and efficient way for the synthesis of β-functionalized secondary alcs., such as β-hydroxy-ethers, β-hydroxy-amines and β-hydroxyhalo compounds, which are valuable intermediates in pharmaceutical, fine chem., perfume and agrochem. synthesis. Under optimized conditions the synthesis of the target compounds was achieved using chloro[3-[1-[(4-methoxyphenyl)imino-κN]ethyl]-2-naphthalenyl-κC][(1,2,3,4,5-η)-1,2,3,4,5-pentamethyl-2,4-cyclopentadien-1-yl]iridium (naphthalene-imine complex) and chloro[2-[1-[(4-methoxyphenyl)imino-κN]ethyl]-3-phenanthrenyl-κC][(1,2,3,4,5-η)-1,2,3,4,5-pentamethyl-2,4-cyclopentadien-1-yl]iridium (phenanthrene-imine complex) as catalysts. The title compounds thus formed included α-[(4-chlorophenoxy)methyl]benzenemethanol α-[(3-pyridinyloxy)methyl]benzenemethanol, 1-phenoxy-2-propanol, 2-(ethoxy)cyclohexanol (ether-alc.), 1,4-anhydro-2,5-dideoxypentitol (carbohydrate sugar derivative), α-(chloromethyl)benzenemethanol, β-(hydroxy)benzenepropanenitrile, β-(hydroxy)thiophenepropanenitrile (thiophene derivative), β-(hydroxy)furanpropanenitrile (furan derivative), 1-phenyl-1,2-ethanediol benzoate and related substances, piperidine derivatives, morpholine derivatives, pyridine derivatives

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Reference:
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics

Heterocyclic compounds can be divided into two categories: alicyclic heterocycles and aromatic heterocycles. Compounds whose heterocycles in the molecular skeleton cannot reflect aromaticity are called alicyclic heterocyclic compounds. Compound: 17190-29-3, is researched, Molecular C9H9NO, about Turning the ‘mustard oil bomb’ into a ‘cyanide bomb’: aromatic glucosinolate metabolism in a specialist insect herbivore, the main research direction is Pieris benzylglucosinolate metabolism cyanide Arabidopsis dhurrin.Related Products of 17190-29-3.

Plants have evolved a variety of mechanisms for dealing with insect herbivory among which chem. defense through secondary metabolites plays a prominent role. Physiol., behavioral and sensorical adaptations to these chems. provide herbivores with selective advantages allowing them to diversify within the newly occupied ecol. niche. In turn, this may influence the evolution of plant metabolism giving rise to e.g., new chem. defenses. The association of Pierid butterflies and plants of the Brassicales has been cited as an illustrative example of this adaptive process known as ‘coevolutionary armsrace’. All plants of the Brassicales are defended by the glucosinolate-myrosinase system to which larvae of cabbage white butterflies and related species are biochem. adapted through a gut nitrile-specifier protein. Here, the authors provide evidence by metabolite profiling and enzyme assays that metabolism of benzylglucosinolate in Pieris rapae results in release of equimolar amounts of cyanide, a potent inhibitor of cellular respiration. The authors further demonstrate that P. rapae larvae develop on transgenic Arabidopsis plants with ectopic production of the cyanogenic glucoside dhurrin without ill effects. Metabolite analyses and fumigation experiments indicate that cyanide is detoxified by β-cyanoalanine synthase and rhodanese in the larvae. Based on these results as well as on the facts that benzylglucosinolate was one of the predominant glucosinolates in ancient Brassicales and that ancient Brassicales lack nitrilases involved in alternative pathways, the authors propose that the ability of Pierid species to safely handle cyanide contributed to the primary host shift from Fabales to Brassicales that occurred about 75 million years ago and was followed by Pierid species diversification.

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Reference:
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics

Mitchell, David; Koenig, Thomas M. published an article about the compound: 3-Hydroxy-3-phenylpropanenitrile( cas:17190-29-3,SMILESS:N#CCC(O)C1=CC=CC=C1 ).COA of Formula: C9H9NO. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:17190-29-3) through the article.

Aetone cyanohydrin with stoichiometric triethylamine opens epoxides regiospecifically to give β-hydroxynitriles. As expected, addition of cyanide occurs at the least substituted carbon. Thus, oxiranylmethyl butanoate was reacted with Me2C(CN)OH/Et3N in THF to give 91% PrCO2CH2CH(OH)CH2CN.

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Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics

Epoxy compounds usually have stronger nucleophilic ability, because the alkyl group on the oxygen atom makes the bond angle smaller, which makes the lone pair of electrons react more dissimilarly with the electron-deficient system. Compound: 3-Hydroxy-3-phenylpropanenitrile, is researched, Molecular C9H9NO, CAS is 17190-29-3, about Catalytic cyanomethylation of carbonyl compounds and imines with highly basic phosphine.Application In Synthesis of 3-Hydroxy-3-phenylpropanenitrile.

A highly basic phosphine, [2,4,6-(MeO)3C6H2]3P (TTMPP), catalyzes cyanomethylation using Me3SiCH2CN (TMSCH2CN) to give the corresponding products in good to high yields, with both carbonyl compounds and imines.

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Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics

Formula: C9H9NO. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: 3-Hydroxy-3-phenylpropanenitrile, is researched, Molecular C9H9NO, CAS is 17190-29-3, about Syntheses with α-metalated isocyanides. 6. 2-Isocyano-1-alkanols from carbonyl compounds and α-metalated isocyanides. Author is Boell, Walter A.; Gerhart, Fritz; Nuerrenbach, Axel; Schoellkopf, Ulrich.

Lithio compounds RCH(Li)NC (I) are treated with R1COPh to give isocyano alcs. R1PhC(OH)CH(NC)R (II), where R is H or CH2CH2NMe2 and R1 is H or Me. II (R = H, R1 = Me) is converted into the formamide, MePhC(OH)CH2NHCHO. I are prepared from RCH2NC and BuLi.

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Reference:
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics

Heterocyclic compounds can be divided into two categories: alicyclic heterocycles and aromatic heterocycles. Compounds whose heterocycles in the molecular skeleton cannot reflect aromaticity are called alicyclic heterocyclic compounds. Compound: 17190-29-3, is researched, Molecular C9H9NO, about Ring opening of 3-bromo-2-isoxazolines to β-hydroxy nitriles, the main research direction is bromoisoxazoline ring opening; ring opening reaction mechanism; hydroxy nitrile preparation.Safety of 3-Hydroxy-3-phenylpropanenitrile.

3-Bromo-2-isoxazolines were converted to the corresponding β-hydroxy nitriles by treatment with sodium iodide in the presence of either chlorotrimethylsilane or p-toluenesulfonic acid. Both methods gave β-hydroxy nitriles under relatively mild conditions in good to moderate yields for a variety of substituted 3-bromo-2-isoxazolines.

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Reference:
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics

Epoxy compounds usually have stronger nucleophilic ability, because the alkyl group on the oxygen atom makes the bond angle smaller, which makes the lone pair of electrons react more dissimilarly with the electron-deficient system. Compound: 3-Hydroxy-3-phenylpropanenitrile, is researched, Molecular C9H9NO, CAS is 17190-29-3, about One-Pot Nitrile Aldolization/Hydration Operation Giving β-Hydroxy Carboxamides.Recommanded Product: 3-Hydroxy-3-phenylpropanenitrile.

A straightforward method to provide 3-hydroxy carboxamides from aldehydes, nitriles, and water is reported. The method is atom-economical and redox neutral. The present reaction is essentially the first example of the catalytic aldol reaction of “”unactivated”” carboxamides (CONH2). No protection/activation/deprotection sequence is needed and thus the formation of a stoichiometric amount of salt waste is obviated.

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Electric Literature of C9H9NO. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: 3-Hydroxy-3-phenylpropanenitrile, is researched, Molecular C9H9NO, CAS is 17190-29-3, about Reductive and oxidative cleavage of 5-phenyl-2-isoxazoline-3-carboxylic acid. Author is King, G. S.; Magnus, P. D.; Rzepa, H. S..

Reductive cleavage of 5-phenyl-2-isoxazoline-3-carboxylic acid (I) with Zn-AcOH gave 4-phenyl-2-acetamido-γ-butyrolacetone; oxidative fragmentation of tert-Bu 5-phenyl-2-isoxazoline-3-peroxycarboxylate (II) and tert-Bu 5-phenylisoxazole-3-peroxycarboxylate (III) paralleled the mass spectral fragmentation giving BzH and PhCH(OH)CH2CN, and 5-phenylisoxazole-3-carboxylic acid (IV), resp.

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Recommanded Product: 3-Hydroxy-3-phenylpropanenitrile. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: 3-Hydroxy-3-phenylpropanenitrile, is researched, Molecular C9H9NO, CAS is 17190-29-3, about Catalytic reduction of the nitriles of β,β-pentamethyleneglycidic, trans-β-phenylglycidic, and β-methyl-β-phenylglycidic acids on Raney nickel. Author is Martynov, V. F.; Shchelkunov, A. V..

The title nitriles I, II, and III treated with H2O2 in alk. aqueous-alc. media give the corresponding amides (IV), hydrogenated on usual-activity Raney Ni (prepared without use of pressure) give the corresponding hydroxy compounds RR1C(OH)CH2CN (V), and hydrogenated on high-activity Raney Ni (prepared under pressure) give the corresponding hydroxy amino compounds RR1C(OH)CH2CH2NH2 (VI). A mixture of 0.47 g I, 5 ml EtOH, 5 ml 2N NaOH, and 1 ml 30% H2O2 heated at 60-70° (until the evolution of O ceased) gave 0.34 g IV [(R r1 =) pentamethylene]. Similarly, 0.4 g II, 8 ml EtOH, 5 ml 2N NaOH, and 2.5 ml 30% H2 o2 gave 0.26 g IV (R = H, R1 = Ph), and 0.75 g III, 15 ml EtOH , 6 ml 2N NaOH, and 3 ml 30% H2O2 gave 0.41 g IV (R = Me, R1 = Ph). I (3.14 g) hydrogenated on 0.43 g of a com. high-activity Raney Ni catalyst in 25 ml 96% EtOH at 23°/761.8 mm 7 hr (1598 ml H absorbed), 2.8 g Ac2O added to the filtrate remaining on catalyst removal, and the mixt . stirred until the heat evolution ceased gave 1.55 g VI [(RR1 =)-pentamethylene] N-monacetyl derivative (cf. Stork, CA 55:2594h). I (2.6 g) hydrogenated on 0.31 g usual-activity Raney Ni catalyst in 20 ml 96% EtOH at 18°/758.4 mm 3 hr (443 ml H absorbed) gave 1.77 g V [(RR1 =) pentamethylene] (VII), b4 113-14°. VII treated with H2O2 as above gave VIIa. II (4.35 g) hydrogenated on 0.43 g usual-activity Raney Ni catalyst i n 15 ml 96% EtOH at 16°/759.3 mm 3 hr (693 ml H absorbed), and the mix t. treated as above gave 2.65 g V (R = H, R1 = Ph) (VIII). VIII treated with H2O2 gave PhCH(OH)CH2CONH2. III (2.73 g) hydrogenated on 0.33 g usual-activity Raney Ni catalyst in 15 ml 96% EtOH at 18°/769.2 mm 2.5 hr (388 ml H absorbed), and treated in alkali with 30% H2O2 yielded 2.26 g MeCPh(OH)CH2CONH2.

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