Immobilization of Zr(IV) and Ni(II) on the Surfaces of BN Codoped Carbon Nanospheres: An Efficient Catalyst for the Green Synthesis of Benzo[g]pyrimido[4,5‐b]quinolinetetraon Derivatives
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DOI: 10.1002/aoc.70335
Abstract: In this study, an effective route is presented for the preparation of boron–nitrogen (BN) codoped carbon nanospheres using the reaction of urea, boric acid, and glucose (as carbon, boron, and nitrogen sources), followed by the… read more here.
Keywords: carbon nanospheres; catalyst; carbon; synthesis benzo ... See more keywords
SYNTHESIS OF BENZO[ c ][1,7]NAPHTHYRIDINE DERIVATIVES
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DOI: 10.1007/5363
Abstract: Reactivity of 2-methyl-6-phenylbenzo[c][1,7]naphthyridine in alkylation, oxidation, and electrophilic substitution reactions has been studied. The reaction of 2-methyl-6-phenylbenzo[c][1,7]naphthyridines with POCl3 yielded the previously unknown 4-chloro-2-methyl-6-phenylbenzo[c]-[1,7]naphthyridine. Its dehalogenation and substitution of halogen by nitrogen and sulfur nucleophiles… read more here.
Keywords: naphthyridine derivatives; benzo naphthyridine; methyl phenylbenzo; synthesis benzo ... See more keywords
NEW APPROACH TO THE SYNTHESIS OF BENZO[ e ]PYRAZOLO[5,1- b] [1,3]OXAZINES
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DOI: 10.1007/6133
Abstract: How to Cite Osyanin, V. A.; Nakushnov, V. Yu.; Osipov, D. V.; Klimochkin, Yu. N. Chem. Heterocycl. Compd. 2010 , 46 , 1027. [ Khim. Geterotsikl. Soedin. 2010 , 1266.] For this article in the English… read more here.
Keywords: synthesis benzo; pyrazolo oxazines; chemistry; benzo pyrazolo ... See more keywords
Synthesis of benzo[c][1,7]naphthyridine derivatives
Sign Up to like & getrecommendations! Published in 2019 at "Chemistry of Heterocyclic Compounds"
DOI: 10.1007/s10593-019-02581-8
Abstract: Reactivity of 2-methyl-6-phenylbenzo[c][1,7]naphthyridine in alkylation, oxidation, and electrophilic substitution reactions has been studied. The reaction of 2-methyl-6-phenylbenzo[c][1,7]naphthyridines with POCl3 yielded the previously unknown 4-chloro-2-methyl-6-phenylbenzo[c][1,7]naphthyridine. Its dehalogenation and substitution of halogen by nitrogen and sulfur nucleophiles… read more here.
Keywords: naphthyridine derivatives; benzo naphthyridine; methyl phenylbenzo; synthesis benzo ... See more keywords
Fe3O4@TiO2@ILs-ZIF-8 Nanocomposite: A Robust Catalyst for the Synthesis of Benzo[4,5]imidazo[1,2-a]pyrimidines
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DOI: 10.1016/j.molstruc.2021.130298
Abstract: Abstract Zeolitic imidazolate frameworks (prototype system ZIF-8) supported on the Fe3O4@TiO2@ILs magnetic nanostructure (Fe3O4@TiO2@ILs-ZIF-8) was first synthesized and it showed high catalytic activity for the one-pot synthesis of benzo[4,5]imidazo[1,2-a]pyrimidine derivatives. The multi-component reactions of various… read more here.
Keywords: benzo imidazo; tio2 ils; fe3o4 tio2; ils zif ... See more keywords
Modular Regiodivergent Synthesis of Benzo-Fused Isocoumarins by a Cyclopropane Aromatization Strategy.
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DOI: 10.1021/acs.orglett.2c02535
Abstract: Reported herein is an electrophile-modulated aromatization reaction of highly functionalized cyclopropanes to structurally diverse benzoisocoumarins featuring concurrent formation of the benzenoid and α-pyrone rings under mild conditions. An aromatization reaction of the proposed benzonorcaradiene intermediates… read more here.
Keywords: aromatization; modular regiodivergent; regiodivergent synthesis; benzo fused ... See more keywords
Synthesis of 3-Benzo[b]thienyl 3-Thienyl Ether via an Addition-Elimination Reaction and Its Transformation to an Oxygen-Fused Dithiophene Skeleton: Synthesis and Properties of Benzodithienofuran and Its π-Extended Derivatives.
Sign Up to like & getrecommendations! Published in 2017 at "Organic letters"
DOI: 10.1021/acs.orglett.7b00969
Abstract: The synthesis of 3-benzo[b]thienyl 3-thienyl ether and its dehydrogenative cyclization leading to benzodithienofuran (BDTF; [1]benzothieno[3,2-b]thieno[2,3-d]furan) are described for the first time. Further transformation of BDTF to more π-extended BDTF derivatives and their fundamental physical properties… read more here.
Keywords: benzo thienyl; thienyl thienyl; thienyl ether; thienyl ... See more keywords
Synthesis of Benzo[1,6]naphthyridinones Using the Catellani Reaction.
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DOI: 10.1021/acs.orglett.8b02171
Abstract: An intramolecular version of the Catellani reaction was optimized for one-step synthesis of bulky N-substituted benzo[1,6]naphthyridinones with good to excellent yields. The optimized reaction of N-substituted o-bromobenzamides with 4-bromoquinolines features a wide substrate scope and… read more here.
Keywords: catellani reaction; benzo naphthyridinones; naphthyridinones using; reaction ... See more keywords
Iodine-mediated synthesis of benzo[a]fluorenones from yne-enones
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DOI: 10.1039/c9ra02376c
Abstract: An iodine mediated synthesis of benzo[a]fluorenone derivatives from the chalcones derived from o-alkynylacetophenones and aromatic aldehydes is described. read more here.
Keywords: iodine mediated; benzo fluorenones; synthesis benzo; mediated synthesis ... See more keywords
DMSO-assisted environmentally benign synthesis of benzo[c]-chromeno[4,3,2-gh]phenanthridines by remote oxidative hetero cross-coupling cyclization and aromatization reaction.
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DOI: 10.1039/d2cc01067d
Abstract: An unprecedented metal-free and catalyst-free synthesis of benzo[c]chromeno[4,3,2-gh]phenanthridine derivatives, a class of 1,6-diheterophenalenoid heterocycle, is reported for the first time. The oxidative cross-coupling reaction for the remote cyclization is achieved through the in situ generated… read more here.
Keywords: cross coupling; reaction; benzo chromeno; aromatization ... See more keywords
Introducing a green nanocatalytic process toward the synthesis of benzo[a]pyrano-[2,3-c]phenazines utilizing copper oxide quantum dot-modified core–shell magnetic mesoporous silica nanoparticles as high throughput and reusable nanocatalysts
Sign Up to like & getrecommendations! Published in 2022 at "RSC Advances"
DOI: 10.1039/d2ra03887k
Abstract: In this contribution, a green, simple, efficient, and straightforward nanocatalytic process was developed for the synthesis of benzo[a]pyrano[2,3-c]phenazine derivatives under mild thermal conditions. In this regard, the copper oxide quantum dot-modified magnetic silica mesoporous nanoparticles… read more here.
Keywords: benzo pyrano; synthesis benzo; nanocatalytic process;