Synthesis of new pyrido[3,2-b][1,4]benzoxazines and -benzothiazines Full article
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Russian Chemical Bulletin
ISSN: 1573-9171 , E-ISSN: 1066-5285 |
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| Output data | Year: 2022, Volume: 71, Number: 1, Pages: 126-130 Pages count : 5 DOI: 10.1007/s11172-022-3385-6 | ||||
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Abstract:
New pyrido[3,2-b][1,4]benzoxazines and pyrido[3,2-b][1,4]benzothiazines were synthesized by the base-mediated reactions of substituted 2-chloro-3-nitropyridines with o-amino(thio)phenols. The reactions involve a sequential nucleophilic substitution of the chlorine atom and the nitro group affected by either O,N- or S,N-binucleophile. In the case of aminothiophenols, the reaction proceeded via substitution of the chlorine atom followed by the Smiles rearrangement, and an intramolecular substitution of the nitro group by S-nucleophile.
Cite:
Starosotnikov A.M.
, Ivanova V.V.
, Klimova T.A.
, Kolotyrkina N.G.
, Bastrakov M.A.
Synthesis of new pyrido[3,2-b][1,4]benzoxazines and -benzothiazines
Russian Chemical Bulletin. 2022. V.71. N1. P.126-130. DOI: 10.1007/s11172-022-3385-6 WOS Scopus OpenAlex
Synthesis of new pyrido[3,2-b][1,4]benzoxazines and -benzothiazines
Russian Chemical Bulletin. 2022. V.71. N1. P.126-130. DOI: 10.1007/s11172-022-3385-6 WOS Scopus OpenAlex
Identifiers:
| Web of science: | WOS:000755136000016 |
| Scopus: | 2-s2.0-85124973171 |
| OpenAlex: | W4213005941 |