40754-13-0Relevant academic research and scientific papers
Selective C?H or N?H Imidoylative Annulation of 2-(2-Isocyanophenyl)-1H-indoles Leading to Diverse Indole-fused Scaffolds
Teng, Fan,Hu, Weiming,Hu, Huaanzi,Luo, Shuang,Zhu, Qiang
supporting information, (2019/02/07)
2-(2-Isocyanophenyl)-1H-indoles, a class of functionalized isocyanides containing both aromatic C?H and indolo N?H functionalities, are first applied in selective imidoylative annulation reactions. Scaffolds of 6-aryl 11H-indolo[3,2-c]quinoline and 6-aryl
Unexpected cyclization of 2-(2-aminophenyl)indoles with nitroalkenes to furnish indolo[3,2-: C] quinolines
Aksenov, Alexander V.,Aksenov, Dmitrii A.,Griaznov, Georgii D.,Aksenov, Nicolai A.,Voskressensky, Leonid G.,Rubin, Michael
, p. 4325 - 4332 (2018/06/22)
The polyphosphoric acid-mediated reaction of 2-(2-aminophenyl)indenes with nitroalkenes was tested in the frame of synthetic studies towards CDK inhibitors with the paullone core. Unexpectedly, this reaction proceeded via a different mechanistic pathway affording derivatives of the natural alkaloid isocryptolepine. The scope of this unusual transformation was investigated and a mechanistic rationale explaining this outcome is offered.
A nitroalkane-based approach to one-pot three-component synthesis of isocryptolepine and its analogs with potent anti-cancer activities
Aksenov, Nicolai A.,Aksenov, Alexander V.,Kornienko, Alexander,De Carvalho, Annelise,Mathieu, Véronique,Aksenov, Dmitrii A.,Ovcharov, Sergei N.,Griaznov, Georgii D.,Rubin, Michael
, p. 36980 - 36986 (2018/11/23)
A second generation polyphosphoric acid-mediated one-pot three-component synthesis of indoloquinoline scaffold is developed. This improved version of the process involves electrophilically activated nitroalkanes for the installation of strategic C-C and C-N bonds and ring C assembly. This modification allows the elimination of unnecessary solvent change operations and all steps are carried out in a true, uninterrupted one-pot manner. A further improvement involves the possibility to install an ortho-amino group in situ. A synthetic application of this method is showcased by the concise synthesis of an isocryptolepine alkaloid and its synthetic analogs with potent anticancer activities.
Cation-Directed Enantioselective N-Functionalization of Pyrroles
Armstrong, Roly J.,D'Ascenzio, Melissa,Smith, Martin D.
supporting information, p. 6 - 10 (2015/12/26)
A catalytic enantioselective N-functionalization of pyrroles has been developed. Imines formed in situ via condensation underwent cation-directed cyclization with complete N-regioselectivity. The cyclized products were obtained with enantiomeric ratios up
A new compound and an organic electronic device using the same
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Paragraph 0080; 0081, (2016/10/08)
The present invention provides a new compound and an organic electronic device using the same. The compound according to the present invention may serve as hole injection, hole transporting, electron injection and transporting, and light emitting materials and the like in an organic electronic device comprising an organic light emitting device, and the organic electronic device according to the present invention shows excellent properties in terms of efficiency, driving voltage and service life.
Antimicrobial study of newly synthesized 6-substituted indolo[1,2-c]quinazolines
Rohini, Rondla,Muralidhar Reddy,Shanker, Kanne,Hu, Anren,Ravinder, Vadde
scheme or table, p. 1200 - 1205 (2010/04/26)
A new series of indolo[1,2-c]quinazoline derivatives were prepared in good yield through reaction of 2-(o-aminophenyl)indole with a variety of arylaldehydes. The structures of the newly synthesized compounds were confirmed by IR, 1H NMR, 1
New route to the synthesis of the isocryptolepine alkaloid and its related skeletons using a modified Pictet-Spengler reaction
Agarwal, Piyush K.,Sawant, Devesh,Sharma, Sunil,Kundu, Bijoy
scheme or table, p. 292 - 303 (2009/06/21)
A new route to the synthesis of the isocryptolepine alkaloid with antimalarial activity using a modified Pictet-Spengler reaction has been devised. The strategy was then used to generate libraries based on three structural variants of the alkaloid. Compounds based on these three variants in general were accessed in three steps through a modified Pictet-Spengler cyclization reaction as the key step. The C-2-, C-3-, or N-1-linked (aminoaryl)indoles (8, 12, 13) required for cyclization were obtained by treating the corresponding indoles with o-halonitrobenzene using either nucleophilic re-placement or Pd-based chemistry (Heck/Suzuki reaction) followed by reduction of the nitroaryl functionality. The substrates 8, 12, and 13 were then subjected to the Pictet-Spengler reaction to furnish polycyclic structures, indolo-quinolines 4 and 19 and indolo-quinoxalines 20 with three-point diversity in high yields and purities. One of the indolo-quinolines 4a after treatment with CH3I furnished the isocryptolepine alkaloid in excellent yield. Wiley-VCH Verlag GmbH & Co. KGaA, 2009.
Chemistry of Indoloquinazoline: An Approach to the Marine Alkaloid Hinckdentine A
Billimoria, Adil D.,Cava, Michael P.
, p. 6777 - 6782 (2007/10/02)
The basic chemistry of indoloquinazoline (2) has been investigated for the first time.In addition, some attempts to elaborate 2 into the pentacyclic system of the marine alkaloid hinckdentine A (1A) are described.
2-Phenyl-indole derivatives and process for preparing the same
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, (2008/06/13)
New stabilizers of polymers and co-polymers of vinyl chloride, the said stabilizers being 2-phenyl-indole derivatives corresponding to the formula: STR1 wherein R represents a phenyl radical, an amino group, optionally substituted by an acetyl or benzoyl
