Zobrazeno 1 - 10
of 110
pro vyhledávání: '"Yu. Yu. Popelis"'
Publikováno v:
Russian Journal of Organic Chemistry. 42:735-738
A two-stage method was developed for the conversion of phenyl-and pyridylaldoximes and ketoximes into the corresponding O-[3-(5-tetrazolyl)propyl]oximes. The structure of the sodium salt of 2-acetylpyridine O-[3-(5-tetrazolyl)propyl]oxime was establi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3eaae00f31889b4fa8411dc99e6cc2f9
https://doi.org/10.1134/s1070428006050149
https://doi.org/10.1134/s1070428006050149
Publikováno v:
Russian Journal of Organic Chemistry. 39:963-967
2-Propynyl derivatives of N-methylaniline, phenol, benzenethiol, 2-pyridinethiol, 2-pyrimidinethiol, and 1,3-benzoxazole-2-thiol were synthesized. Under conditions of phase-transfer catalysis, phenyl 2-propynyl sulfide is converted into allenyl pheny
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8570e8f2324b079fa9f3347d01da3e7d
https://doi.org/10.1023/b:rujo.0000003185.14527.cd
https://doi.org/10.1023/b:rujo.0000003185.14527.cd
Publikováno v:
Chemistry of Heterocyclic Compounds. 36:779-786
The reactions of 2-furaldehyde, 2-thiophenecarbaldehyde, and their 5-methyl derivatives with 2-aminopyridines and some other amines in the presence of molecular sieves as a dehydrating agent and acid catalyst have been studied. A series of new hetero
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d6bfa825906c485e7988638145e85fa1
https://doi.org/10.1007/bf02256909
https://doi.org/10.1007/bf02256909
Publikováno v:
Chemistry of Heterocyclic Compounds. 36:603-606
E-β-1-(2-Phenylethenyl)-2,8,9-trioxa-5-aza-1-germatricyclo[3.3.3.01,5]undecane (β-Styrylgermatrane) was obtained as the result of sequential reactions: the introduction of germanium dibromide at the C−Br bond of β-bromostyrene and the alcoholysi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f203ddc29cbe39800e1ec3f5179f9bdd
https://doi.org/10.1007/bf02290853
https://doi.org/10.1007/bf02290853
Publikováno v:
Chemistry of Heterocyclic Compounds. 35:1415-1422
2-Acetyl-5-methyl-4-nitrofuran and 3,5-dinitro-α-methylfuran were obtained by the reaction of 70% nitric acid with 2-acetyl-5-methylfuran, its oxime and semicarbazone in concentrated H2SO4. ω-Bromonitro ketone and a series of 5-methyl-4-nitro-2-fur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::efd2bdb300d6c88ddd105339a9d3543d
https://doi.org/10.1007/bf02251814
https://doi.org/10.1007/bf02251814
Publikováno v:
Chemistry of Heterocyclic Compounds. 34:1123-1126
The halogenation of propargyl ethers of heterylaldoximes and ketoximes in interphase catalytic systems CX4 (X=Cl, Br)/solid KOH/18-crown-6 leads selectively to the formation of the corresponding O-(halopropargyl)oximes.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a678c608c63b17d9e43779c480ce7239
https://doi.org/10.1007/bf02319488
https://doi.org/10.1007/bf02319488
Publikováno v:
Tetrahedron: Asymmetry. 8:1279-1285
A series of aromatic and heterocyclic cyanohydrins and their O-silyl ethers have been synthesized by trimethylsilylcyanation of aldehydes using a catalyst generated in situ from ( S , S )-2,6-bis(4′-isopropyloxazolin-2′-yl)pyridine (Pybox) with A
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::98cbf6f905a60800241cfb57e3357022
https://doi.org/10.1016/s0957-4166(97)00100-6
https://doi.org/10.1016/s0957-4166(97)00100-6
Autor:
N. N. Tonkikh, A. I. Gurkovskii, G. P. Kreishman, A. Ya. Strakov, S. V. Belyakov, Yu. Yu. Popelis, Marina Petrova
Publikováno v:
Chemistry of Heterocyclic Compounds. 33:321-332
The reactions of 2-acetyldimedone and 2-acetyl-3-methoxy-5,5-dimethylcyclohex-2-en-1-one with 3,4-diaminobenzophenoneproduce2-[1-(2-amino-5-benzoylphenyl)amino]ethylidene-5,5-dimethyl-1,3-cyclohexanedioneand 2-acetyl-3-(2-amino-5-benzoylphenyl)amino-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::18837330b70af250423f30bffe69105c
https://doi.org/10.1007/bf02253113
https://doi.org/10.1007/bf02253113
Publikováno v:
Chemistry of Heterocyclic Compounds. 33:164-170
By analysis of the products from the protolytic cleavage of methyl 3-(2,5-dialkoxy-2,5-dihydro-2-furyl)propionate (I) in the presence of mixed nucleophiles and investigation of their mutual transformations the main paths in the dissociation of the pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6ad0c79b3939a0bf84529275dd4d2d8d
https://doi.org/10.1007/bf02256757
https://doi.org/10.1007/bf02256757
Publikováno v:
Chemistry of Heterocyclic Compounds. 32:294-307
A study has been made of enantioselective hydrosilylation and reduction, by hydrogen transfer, of prochiral alkyl phenyl ketones or alkyl hetaryl ketones over various optically active catalysts. A total of 14 aromatic and heterocyclic carbinols were
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e60b92764195e5eaca414017d5cffde6
https://doi.org/10.1007/bf01169246
https://doi.org/10.1007/bf01169246