@mastersthesis{MTMT:32477567, title = {2H-Azirinek új típusú reakciói [New reactions of 2H-azirines]}, url = {https://m2.mtmt.hu/api/publication/32477567}, author = {Angyal, Anikó}, doi = {10.14232/phd.10754}, publisher = {SZTE}, unique-id = {32477567}, year = {2021} } @article{MTMT:31499509, title = {Acid-Catalyzed 1,3-Dipolar Cycloaddition of 2H-Azirines with Nitrones: An Unexpected Access to 1,2,4,5-Tetrasubstituted Imidazoles}, url = {https://m2.mtmt.hu/api/publication/31499509}, author = {Angyal, Anikó and Demjen, Andras and Wölfling, János and Puskas, Laszlo G. and Kanizsai, Iván}, doi = {10.1021/acs.joc.9b03288}, journal-iso = {J ORG CHEM}, journal = {JOURNAL OF ORGANIC CHEMISTRY}, volume = {85}, unique-id = {31499509}, issn = {0022-3263}, abstract = {The first 1,3-dipolar cycloaddition of 2H-azirines with nitrones, a straightforward approach toward the regioselective synthesis of 1,2,4,5-tetrasubstituted imidazoles, is reported. This trifluoroacetic acid-catalyzed protocol tolerates a broad range of aliphatic and aromatic substrates, offering an efficient access to highly diverse, multisubstituted imidazoles in isolated yields up to 83% under mild conditions.}, year = {2020}, eissn = {1520-6904}, pages = {3587-3595}, orcid-numbers = {Wölfling, János/0000-0002-3037-309X} } @article{MTMT:30641393, title = {1,3-Dipolar Cycloaddition of Isatin-Derived Azomethine Ylides with 2H-Azirines: Stereoselective Synthesis of 1,3-Diazaspiro[bicyclo[3.1.0]hexane]oxindoles}, url = {https://m2.mtmt.hu/api/publication/30641393}, author = {Angyal, Anikó and András, Demjén and Harmat, Veronika and Wölfling, János and László, G. Puskás and Kanizsai, Iván}, doi = {10.1021/acs.joc.9b00242}, journal-iso = {J ORG CHEM}, journal = {JOURNAL OF ORGANIC CHEMISTRY}, volume = {84}, unique-id = {30641393}, issn = {0022-3263}, year = {2019}, eissn = {1520-6904}, pages = {4273-4281}, orcid-numbers = {Harmat, Veronika/0000-0002-1866-9904; Wölfling, János/0000-0002-3037-309X} } @article{MTMT:3339611, title = {A green, isocyanide-based three-component reaction approach for the synthesis of multisubstituted ureas and thioureas}, url = {https://m2.mtmt.hu/api/publication/3339611}, author = {Angyal, Anikó and Demjén, András and Wölfling, János and Puskás, László and Kanizsai, Iván}, doi = {10.1016/j.tetlet.2017.11.053}, journal-iso = {TETRAHEDRON LETT}, journal = {TETRAHEDRON LETTERS}, volume = {59}, unique-id = {3339611}, issn = {0040-4039}, abstract = {A one-pot, isocyanide based multicomponent protocol was presented starting from secondary amines towards (thio)urea derivatives and utilized for the construction of a diverse 27-membered chemical library. Following a green compatible microwave assisted condition, the formed N,N′-multisubstituted (thio)ureas were obtained in up to 85% yield. © 2017 Elsevier Ltd}, keywords = {ARTICLE; WATER; chemical structure; multicomponent reaction; green chemistry; AMINE; substitution reaction; chlorine; microwave radiation; chemical reaction; urea; one pot synthesis; THIOUREA; sodium sulfide; thiourea derivative; CHLORINATION; urea derivative; isocyanide; N-chloro amine}, year = {2018}, eissn = {1873-3581}, pages = {54-57}, orcid-numbers = {Wölfling, János/0000-0002-3037-309X} } @article{MTMT:3389411, title = {Lewis Acid-Catalyzed Diastereoselective Synthesis of Multisubstituted N-Acylaziridine-2-carboxamides from 2H-Azirines via Joullie-Ugi Three-Component Reaction}, url = {https://m2.mtmt.hu/api/publication/3389411}, author = {Angyal, Anikó and Demjén, András and Wéber, Edit and Kovács, Anita Kármen and Wölfling, János and Puskás, László and Kanizsai, Iván}, doi = {10.1021/acs.joc.7b03189}, journal-iso = {J ORG CHEM}, journal = {JOURNAL OF ORGANIC CHEMISTRY}, volume = {83}, unique-id = {3389411}, issn = {0022-3263}, abstract = {A ZnCl2-catalyzed diastereoselective Joullie Ugi three-component reaction from 2H-azirines, isocyanides, and carboxylic acids was established. The protocol allows the preparation of highly and diversely functionalized N-acylaziridine-2-carboxamide derivatives in up to 82% isolated yields. Moreover, the applicability of N-acylaziridines is demonstrated through a variety of transformations.}, keywords = {ASYMMETRIC-SYNTHESIS; CYSTEINE PROTEASES; enantioselective synthesis; MULTICOMPONENT REACTIONS; N-ACYLAZIRIDINES; 3+2 CYCLOADDITION; CARBOXYLIC ESTERS; AZIRIDINYL PEPTIDES; 2,4-DISUBSTITUTED OXAZOLES; SUBSTITUTED PROLYL PEPTIDES}, year = {2018}, eissn = {1520-6904}, pages = {3570-3581}, orcid-numbers = {Wéber, Edit/0000-0002-5904-0619; Kovács, Anita Kármen/0000-0001-9805-1647; Wölfling, János/0000-0002-3037-309X} } @article{MTMT:3389413, title = {One-pot synthesis of diverse N,N '-disubstituted guanidines from N-chlorophthalimide, isocyanides and amines via N-phthaloyl-guanidines}, url = {https://m2.mtmt.hu/api/publication/3389413}, author = {Demjén, András and Angyal, Anikó and Wölfling, János and Puskás, László and Kanizsai, Iván}, doi = {10.1039/c7ob03109b}, journal-iso = {ORG BIOMOL CHEM}, journal = {ORGANIC & BIOMOLECULAR CHEMISTRY}, volume = {16}, unique-id = {3389413}, issn = {1477-0520}, abstract = {A sequential one-pot approach towards N,N-disubstituted guanidines from N-chlorophthalimide, isocyanides and amines is reported. This strategy provides straightforward and efficient access to diverse guanidines in yields up to 81% through previously unprecedented N-phthaloylguanidines. This protocol also features wide substrate scope and mild conditions.}, keywords = {AGENTS; AMIDINES; CONVENIENT SYNTHESIS; BIOLOGICAL-ACTIVITIES; SECONDARY-AMINES; CONCISE SYNTHESIS; CATALYTIC ADDITION; EFFICIENT GUANYLATION; DISUBSTITUTED GUANIDINES; SUBSTITUTED GUANIDINES}, year = {2018}, eissn = {1477-0539}, pages = {2143-2149}, orcid-numbers = {Wölfling, János/0000-0002-3037-309X} } @article{MTMT:3399467, title = {Synthesis, cytotoxic characterization, and SAR study of imidazo[1,2-b]pyrazole-7-carboxamides}, url = {https://m2.mtmt.hu/api/publication/3399467}, author = {Demjen, A and Alföldi, Róbert and Angyal, Anikó and Gyuris, M and Hackler, L and Szebeni, Gábor and Wölfling, János and Puskás, László and Kanizsai, Iván}, doi = {10.1002/ardp.201800062}, journal-iso = {ARCH PHARM}, journal = {ARCHIV DER PHARMAZIE}, volume = {351}, unique-id = {3399467}, issn = {0365-6233}, abstract = {The synthesis and in vitro cytotoxic characteristics of new imidazo[1,2-b]pyrazole-7-carboxamides were investigated. Following a hit-to-lead optimization exploiting 2D and 3D cultures of MCF-7 human breast, 4T1 mammary gland, and HL-60 human promyelocytic leukemia cancer cell lines, a 67-membered library was constructed and the structure-activity relationship (SAR) was determined. Seven synthesized analogues exhibited sub-micromolar activities, from which compound 63 exerted the most significant potency with a remarkable HL-60 sensitivity (IC50=0.183M).}, keywords = {IN-VIVO; MULTICOMPONENT REACTIONS; BIOLOGICAL EVALUATION; multicomponent reaction; Anticancer agents; kinase inhibitors; Cytotoxic; Aurora Kinases; Groebke-Blackburn-Bienayme reaction; LEAD OPTIMIZATION; ANTITUMOR EVALUATION; ANTIMICROBIAL EVALUATION; PYRAZOLE DERIVATIVES; 2-b]pyrazole; imidazo[1}, year = {2018}, eissn = {1521-4184}, orcid-numbers = {Szebeni, Gábor/0000-0002-6998-5632; Wölfling, János/0000-0002-3037-309X} }