Zobrazeno 1 - 10
of 84
pro vyhledávání: '"Jan Epsztajn"'
Publikováno v:
Current Organic Chemistry. 10:1817-1848
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::207946f1c04b358e6cf8fe09a04f7f25
https://doi.org/10.2174/138527206778249883
https://doi.org/10.2174/138527206778249883
Publikováno v:
Synthetic Communications. 35:179-192
Synthesis of 4‐aryl‐2H‐phthalazin‐1‐ones 5 and their successive conversion, via the Mannich reaction into 2‐[(dialkylamino)‐methyl]‐4‐aryl‐2H‐phthalazin‐1‐ones 6, 7, 8, 9 as a way of regiospecific transformation of the 4‐m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::34716e6f7b44c4cc4ba4c7a3363685eb
https://doi.org/10.1081/scc-200048404
https://doi.org/10.1081/scc-200048404
Autor:
J. Z. Brzezinski, Zbigniew Malinowski, Mieczysław W. Płotka, Jan Epsztajn, Aleksandra K. Szcześniak, Andrzej Jóźwiak
Publikováno v:
European Journal of Organic Chemistry. 2004:3254-3261
The reaction of N-pyridylbenzamides 1−3 with n-butyllithium or sec-butyllithium has been examined. The perfect selectivity that has been observed until now in the lithiation of anilides, a reaction used for ortho-functionalisation of masked aromati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b67753fa08612c1a9a1aa3517501761d
https://doi.org/10.1002/ejoc.200400156
https://doi.org/10.1002/ejoc.200400156
Publikováno v:
Monatshefte f�r Chemie / Chemical Monthly. 135:69-77
A convenient two-step protocol preparation of ortho-alkylated (substituent with the carbomethoxy group at the end of five carbon atoms alkyl chain) aromatic carboxylic acids from benzoic acids anilides is described. Ortho-lithiation of benzanilides a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ddc52b64eaf594fa7c70cfc57a1683c6
https://doi.org/10.1007/s00706-003-0076-3
https://doi.org/10.1007/s00706-003-0076-3
Publikováno v:
Monatshefte f�r Chemie / Chemical Monthly. 134:533-538
A convenient two step protocol preparation of ortho-phenylthiomethyl aromatic carboxylic acids from aromatic carboxylic acids anilides is reported. The phenylthiolation of phthalides with benzenethiol as a key step is described.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::49bc70e0c51ac403c75ea37be333842d
https://doi.org/10.1007/s00706-002-0532-5
https://doi.org/10.1007/s00706-002-0532-5
Publikováno v:
Synthetic Communications. 33:667-677
A convenient two step protocol preparation of the ortho-alkylated (by secondary substituent with the carbomethoxy group at the end of alkyl chain) aromatic carboxylic acids 6 from benzoic acids anilides 1 was developed, which exploited the reductive
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c7c48f10259a2bea6f49412348944222
https://doi.org/10.1081/scc-120015823
https://doi.org/10.1081/scc-120015823
Autor:
Jan Epsztajn, Zbigniew Malinowski, Aleksandra K. Szcześniak, Dariusz Sroczyński, Elzbieta Czarnecka, Wanda Pakulska
A series of new alkyl, tosyl, acetyl, and tert-butoxycarbonyl derivatives of 2-(2-aminoethyl)-phthalazinones were efficiently synthesized by reaction of lactams with N-Boc-, N-acetyl-, or N,O-ditosyl derivatives of N-methylethanolamine in the presenc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::76a0d253a6cf8daf7d19298d4e2a037c
Publikováno v:
Synthesis. 2001:2085-2090
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ee1d1fdaf92adbeeb9c9c8a35d55088f
https://doi.org/10.1055/s-2001-18056
https://doi.org/10.1055/s-2001-18056
Publikováno v:
Tetrahedron. 56:4837-4844
The synthesis of the 2-aryl-3-hydroxyisoindol-1-ones 3 and their successive conversion via the reaction with 1-methoxy-1-trimethylsilyloxyethene in the presence of titanium(IV) chloride into 3-carboxymethylphthalimides 7 and subsequent cyclization vi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bfdf63d7d39cfc3908508005feb1f7ea
https://doi.org/10.1016/s0040-4020(00)00403-8
https://doi.org/10.1016/s0040-4020(00)00403-8
Publikováno v:
Synthesis. 2000:1603-1607
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::467b4df27d189322c86ea1deb0d0b39d
https://doi.org/10.1055/s-2000-7610
https://doi.org/10.1055/s-2000-7610