4410-14-4Relevant academic research and scientific papers
The Voight reaction on tertiary α-hydroxy ketones
Rao, H. Surya Prakash,Vijjapu, Satish
, p. 8391 - 8406 (2015)
The Voight reaction is for the transformation of secondary α-hydroxy ketones into corresponding α-amino ketones. Although discovered as early as 1886, it has not enjoyed wide popularity in organic synthesis, as it is applicable to only secondary α-hydroxy
A novel compound, a method for preparing the same, and a negative active material for a redox flow battery including the new compound, and a redox flow battery comprising the same
-
Paragraph 0170-0173; 0196-0198; 0200-0201; 0218-0219; ..., (2021/08/24)
The present invention provides a novel compound having an excellent redox stability and a low reduction potential. The present invention relates to a negative active material for a redox flow battery comprising a novel compound and a novel compound, and a
Synthesis of Redox-Active Phenanthrene-Fused Heteroarenes by Palladium-Catalyzed C-H Annulation
Jang, Jin Hyeok,Ahn, Seongmo,Park, Soo Eun,Kim, Soeun,Byon, Hye Ryung,Joo, Jung Min
supporting information, p. 1280 - 1285 (2020/02/28)
Pd-catalyzed C-H annulation reactions of halo- and aryl-heteroarenes were developed using readily available o-bromobiaryls and o-dibromoaryls, respectively. A variety of five-membered heteroarenes rapidly provided the corresponding phenanthrene-fused heteroarenes, which led to the identification of phenanthro-pyrazole and thiazole as new, stable -2 V redox couples. The flexible syntheses and tunability of the redox potentials of these azole-fused phenanthrenes over a wide range are expected to facilitate their application as redox-active organic functional materials.
Synthesis of 5-(4-(1H-phenanthro[9,10-d]imidazol-2-yl)benzylidene)thiazolidine-2,4-dione as promising DNA and serum albumin-binding agents and evaluation of antitumor activity
Singh, Iqubal,Rani, Richa,Luxami, Vijay,Paul, Kamaldeep
, p. 267 - 280 (2019/02/06)
A series of phenanthro[9,10-d]imidazole/oxazole and acenaphtho[1,2-d]imidazole with different aryl groups at C2-position has been synthesized. These compounds were in vitro evaluated for antitumor activity against a panel of 60 human cancer cell lines. Co
The preparation of annulated 1,3-oxazoles from 1,3,2-oxazaphospholes and aldehydes
Bagi, Nrcisz,Stefanovszky, Roland,Kaizer, Jzsef,Speier, Gbor
, p. 425 - 428 (2016/02/16)
The reactions of 2,3-dihydro-2,2,2-triphenylphenanthro[9,10-d]-1,3,2-λ5-oxazaphospholes with aromatic aldehydes lead to the corresponding 2-substituted phenanthro[9,10-d][1,3]oxazoles via an aza-Wittig reaction in good yields.
A convenient strategy to 2,4,5-triaryl and 2-alkyl-4,5-diaryl oxazole derivatives through silver-mediated oxidative CO cross coupling/cyclization
Sarkar, Rajib,Mukhopadhyay, Chhanda
supporting information, p. 3872 - 3876 (2015/06/08)
This is a silver(I) mediated Cα(sp3)H activation of primary amines followed by oxidative CO cross coupling/cyclization for the construction of 2,4,5-triaryl and 2-alkyl-4,5-diaryl oxazole derivatives. The protocol has been successfully utilized to synthesize the oxazole derivatives in good to excellent yields. In this oxidative coupling, the silver species after the reaction was successfully re-synthesized and reused with almost a similar activity.
Charge migration in dicationic electrophiles and its application to the synthesis of aza-polycyclic aromatic compounds
Li, Ang,Kindelin, Patrick J.,Klumpp, Douglas A.
, p. 1233 - 1236 (2007/10/03)
Superacid-promoted reactions of dicationic electrophiles have been studied, and the positive charge centers are found to migrate apart in a predictable manner. Using isotopic labeling the charge migration is found in one system to occur through successive deprotonation-reprotonation steps. The charge migration chemistry is the basis for new general synthetic route to aza-polycyclic aromatic compounds.
Cyclization of α-Oxo-oximes to 2-Substituted Benzoxazoles
Katritzky, Alan R.,Wang, Zuoquan,Hall, C. Dennis,Akhmedov, Novruz G.,Shestopalov, Aleksandr A.,Steel, Peter J.
, p. 9093 - 9099 (2007/10/03)
Reactions of oximes 9, 17, and 19 with electrophiles 15a-f and 24 in the presence of anhydrous potassium carbonate or triethylamine give 2-substituted condensed ring oxazoles 10, 16a-c, 18a-d, 20a-c, and 25 in a new general route to these compounds.
Reactions of 2-(methoxyimino)benzen-1-ones with α-alkylethoxycarbonylmethylene(triphenyl)phosphoranes
Nicolaides, Demetrios N,Gautam, Daman R,Litinas, Konstantinos E,Manouras, Christos,Fylaktakidou, Konstantina C
, p. 9469 - 9474 (2007/10/03)
The title 2-(methoxyimino)benzen-1-ones react with α-alkylethoxycarbonylmethylene(triphenyl)phosphoranes to give 2H-[b][1,4]benzoxazine derivatives along with benzoxazole and indole derivatives. Reaction mechanisms to explain the formation of products obt
Reactions of O-Methyl o-Quinone Monoximes with Methyl-, Methylene- and Methine- Substituted Aromatic Compounds. Synthesis of Benzo[d]oxazole and 1,4-Benzoxazine derivatives
Nicolaides, Demetrios N.,Awad, R. Wajih,Papageorgiou, Georgios K.,Kojanni, Efthalia,Tsoleridis, Constantinos A.
, p. 1651 - 1656 (2007/10/03)
O-MethyI o-quinone monoxime 1 reacts thermally with compounds 2a-d or 6a,b or 7a,b to give mainly the corresponding 2-substituted phenanthroxazoles 3a-c and 8. The reaction of 1 with aromatic methylene compounds 10a-c affords the ketones 13a-c in moderate to high yields. Similar products are also obtained from the reaction of monoximes 15a,b with some of the above reactants. The unexpected products 5 and 20 are obtained from the reaction of 1 with 2-methylimidazole (2d) and with phenyloxirane (19) respectively, while the 4H-1,4-oxazine derivative 23 is obtained from the reaction of 1 with indene (21).
