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Benzophenone oxime is a versatile intermediate in organic synthesis, particularly in the conversion to thio-oximes. It reacts with phenyl isothiocyanate in DMF to form an oxime thiocarbamate intermediate, which can be rearranged under specific conditions to yield N-diphenylmethylene-O-phenylthiocarbamoylhydroxylamine. Further treatment with sodium t-butoxide generates the thio-oximate anion, enabling subsequent derivatization, such as with 2,4-dinitrofluorobenzene, to produce functionalized thio-oxime derivatives. This demonstrates its utility in synthetic pathways for modifying oxime functionalities.

574-66-3

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574-66-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 574-66-3 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,7 and 4 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 574-66:
(5*5)+(4*7)+(3*4)+(2*6)+(1*6)=83
83 % 10 = 3
So 574-66-3 is a valid CAS Registry Number.
InChI:InChI=1/C13H11NO/c15-14-13(11-7-3-1-4-8-11)12-9-5-2-6-10-12/h1-10,15H

574-66-3 Well-known Company Product Price

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  • Alfa Aesar

  • (A14037)  Benzophenone oxime, 97%   

  • 574-66-3

  • 10g

  • 571.0CNY

  • Detail
  • Alfa Aesar

  • (A14037)  Benzophenone oxime, 97%   

  • 574-66-3

  • 50g

  • 1828.0CNY

  • Detail
  • Alfa Aesar

  • (A14037)  Benzophenone oxime, 97%   

  • 574-66-3

  • 250g

  • 4378.0CNY

  • Detail

574-66-3SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name Benzophenone oxime

1.2 Other means of identification

Product number -
Other names N-benzhydrylidenehydroxylamine

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:574-66-3 SDS

574-66-3Relevant academic research and scientific papers

Growth, crystalline perfection and characterization of benzophenone oxime crystal

Rajasekar,Muthu,Meenatchi,Bhagavannarayana,Mahadevan,Meenakshisundaram

, p. 207 - 211 (2012)

Single crystals of benzophenone oxime (BPO) have been grown by slow evaporation solution growth technique from ethanol at room temperature. The single crystal X-ray diffraction study reveals that the crystal belongs to monoclinic system and cell parameter

Three oxime ether derivatives: Synthesis, crystallographic study, electronic structure and molecular electrostatic potential calculation

Dey, Tanusri,Praveena, Koduru Sri Shanthi,Pal, Sarbani,Mukherjee, Alok Kumar

, p. 615 - 625 (2017)

Three oxime ether derivatives, (E)-3-methoxy-4-(prop-2-ynyloxy)-benzaldehyde-O-prop-2-ynyl-oxime (C14H13NO3) (2), benzophenone-O-prop-2-ynyl-oxime (C16H13NO) (3) and (E)-2-chloro-6-methylquinoline-3-c

Scale-up of microdroplet reactions by heated ultrasonic nebulization

Liu, Chengyuan,Li, Jia,Chen, Hao,Zare, Richard N.

, p. 9367 - 9373 (2019)

Dramatically higher rates for a variety of chemical reactions have been reported in microdroplets compared with those in the liquid bulk phase. However, the scale-up of microdroplet chemical synthesis has remained a major challenge to the practical applic

Nickel-Catalyzed NO Group Transfer Coupled with NOxConversion

Padmanaban, Sudakar,Choi, Jonghoon,Vazquez-Lima, Hugo,Ko, Donghwi,Yoo, Dagyum,Gwak, Jinseong,Cho, Kyung-Bin,Lee, Yunho

supporting information, p. 4585 - 4593 (2022/03/02)

Nitrogen oxide (NOx) conversion is an important process for balancing the global nitrogen cycle. Distinct from the biological NOx transformation, we have devised a synthetic approach to this issue by utilizing a bifunctional metal catalyst for producing value-added products from NOx. Here, we present a novel catalysis based on a Ni pincer system, effectively converting Ni-NOx to Ni-NO via deoxygenation with CO(g). This is followed by transfer of the in situ generated nitroso group to organic substrates, which favorably occurs at the flattened Ni(I)-NO site via its nucleophilic reaction. Successful catalytic production of oximes from benzyl halides using NaNO2 is presented with a turnover number of >200 under mild conditions. In a key step of the catalysis, a nickel(I)-?NO species effectively activates alkyl halides, which is carefully evaluated by both experimental and theoretical methods. Our nickel catalyst effectively fulfills a dual purpose, namely, deoxygenating NOx anions and catalyzing C-N coupling.

On the mixed oxides-supported niobium catalyst towards benzylamine oxidation

Granato, álisson Silva,de Carvalho, Gustavo S. Gon?alves,Fonseca, Carla G.,Adrio, Javier,Leit?o, Alexandre A.,Amarante, Giovanni Wilson

, p. 118 - 125 (2020/09/11)

A series of mixed oxides-supported niobium-based catalysts has been synthesized and applied towards oxidation reactions of benzylamine derivatives. Under the optimized reaction conditions, the selectivity to oxime enhanced, leading to the main product with up to 72 %. Moreover, even α-substituted benzylamines were well tolerated and led to oximes in good isolated yields. It is important to mention; four equivalents of the harmless and inexpensive hydrogen peroxide were employed as oxidizing agent. Mechanism hypothesis suggested that the reaction proceed to selective benzylamine oxidation into nitroso intermediate, following by formation of the corresponding oxime tautomer mediated by an unstable water produced by NbOx supported catalyst. This consists the first mixed oxides-supported niobium-based catalyst for selective oxidation of benzylamines to oximes.

Beckmann rearrangement of ketoximes promoted by cyanuric chloride and dimethyl sulfoxide under a mild condition

Ma, Ruonan,Chen, Xueyuan,Xiao, Zhiyin,Natarajan, Mookan,Lu, Chunxin,Jiang, Xiujuan,Zhong, Wei,Liu, Xiaoming

supporting information, (2021/01/06)

Synthesis of amides via Beckmann rearrangement of ketoximes promoted by cyanuric chloride (TCT)/DMSO under mild conditions has been reported. Conditions of the Beckmann rearrangement, e.g., solvents, the ratios of TCT/DMSO, and the temperature, were investigated using diphenylmethanone oxime as a substrate. The optimized conditions were adopted to afford fourteen amides with yields ranging from 20% to 99%. A plausible mechanism involving an active dimethyl alkoxysulfonium intermediate was proposed according to the mass spectrometry analysis. To our best knowledge, this is the first case of study on Beckmann rearrangement of ketoximes promoted by TCT/DMSO under a mild condition to afford amides efficiently.

Dehydrative Beckmann rearrangement and the following cascade reactions

Liu, Yinghui,Wei, Yongjiao,Xie, Lan-Gui

supporting information, (2021/11/16)

The Beckmann rearrangement has been predominantly studied for the synthesis of amide and lactam. By strategically using the in situ generated Appel's salt or Mitsunobu's zwitterionic adduct as the dehydrating agent, a series of Beckmann rearrangement and following cascade reactions have been developed herein. The protocol allows the conversion of various ketoximes into amide, thioamide, tetrazole and imide products in modular procedures. The generality and tolerance of functionalities of this method have been demonstrated.

Poly(N-vinylimidazole): A biocompatible and biodegradable functional polymer, metal-free, and highly recyclable heterogeneous catalyst for the mechanochemical synthesis of oximes

Fahim, Hoda,Ghaffari Khaligh, Nader,Gorjian, Hayedeh

, p. 2007 - 2012 (2022/01/08)

The catalytic activity of poly(N-vinylimidazole), a biocompatible and biodegradable synthetic functional polymer, was investigated for the synthesis of oximes as an efficient, halogen-free, and reusable heterogeneous catalyst. The corresponding oximes were afforded in high to excellent yields at room temperature and in short times using the planetary ball mill technique. Some merits, such as the short reaction times and good yields for poorly active carbonyl compounds, and avoiding toxic, expensive, metal-containing catalysts, and hazardous and flammable solvents, can be mentioned for the current catalytic synthesis of the oximes. Furthermore, the heterogeneous organocatalyst could be easily separated after the reaction, and the regenerated catalyst was reused several times with no significant loss of its catalytic activity.

Synthesis of hydroxyethyl methyl morpholinium azide (HEM Morph)N3: A highly efficient new task specific azide-based ionic liquid and its dual application as an azide source and media for synthesis of some novel aromatic O-oxime ethers-1,2,3-triazole conjugates as a potential antihistaminic agents

Rad, Mohammad Navid Soltani,Behrouz, Somayeh,Saremi, Hossein,Mohammadtaghi-Nezhad, Javad

, (2019/12/27)

The synthesis, characterization and application of hydroxyethyl methyl morpholinium azide (HEM Morph)N3 as a new azide-based ionic liquid (ABIL) has been described. (HEM Morph)N3 is used as a source of azide and reaction media for three components ‘Click’ Huisgen cycloaddition reaction between O-propargyl oxime ether and alkyl bromide to acquire novel aromatic O-oxime ethers-1,2,3-triazole conjugates as potential antihistaminic agents in good yields. The influence of parameters like temperature, amount of IL, type of azide-based ionic liquids and its reusability is investigated. The (HEM Morph)N3 is proved to be an efficient, thermally stable, inexpensive and recyclable azide-based ionic liquid which can be easily synthesized and used as both azide's source and reaction media for ‘Click’ Huisgen cycloaddition reaction.

Chlorotropylium Promoted Conversions of Oximes to Amides and Nitriles

Xu, Jiaxi,Gao, Yu,Li, Zhenjiang,Liu, Jingjing,Guo, Tianfo,Zhang, Lei,Wang, Haixin,Zhang, Zhihao,Guo, Kai

, p. 311 - 315 (2020/01/25)

Chlorotropylium chloride as a catalyst for the transformations of oximes, ketones, and aldehydes to their corresponding amides and nitriles in excellent yields (up to 99 %) and in short reaction times (mostly 10–15 min). Oximes were electrophilically attacked on the hydroxyl oxygen by chlorotropylium. The produced tropylium oxime ethers were the key intermediates, of which the ketoxime ether led to amide through Beckmann rearrangement, and the aldoxime ether led to nitrile by nitrogen base DBU assisted formal dehydration. This chlorotropylium activation protocol offered general, mild, and efficient avenues bifurcately from oximes to both amides and nitriles by one organocatalyst.

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