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@article{1383293, author = {Fathalla, Walid Mohamed and Pazdera, Pavel}, article_location = {Oxford}, article_number = {31}, doi = {http://dx.doi.org/10.1016/j.tet.2017.06.024}, keywords = {imidoyl isothiocyanate; quinazolin-4(3H)-ylidene carbothioamides; quinazolin-4(3H)-ylidene carbamothioate; Cascade reaction; imidoyl chloride; Dimroth rearrangement; intramolecular hydrogen bond.}, language = {eng}, issn = {0040-4020}, journal = {Tetrahedron}, title = {Convenient domino synthesis of quinazolin-4(3H)-ylidene carbothioamides and carbamothioates}, volume = {73}, year = {2017} }
TY - JOUR ID - 1383293 AU - Fathalla, Walid Mohamed - Pazdera, Pavel PY - 2017 TI - Convenient domino synthesis of quinazolin-4(3H)-ylidene carbothioamides and carbamothioates JF - Tetrahedron VL - 73 IS - 31 SP - 4573-4583 EP - 4573-4583 PB - ERGAMON-ELSEVIER SCIENCE LTD SN - 00404020 KW - imidoyl isothiocyanate KW - quinazolin-4(3H)-ylidene carbothioamides KW - quinazolin-4(3H)-ylidene carbamothioate KW - Cascade reaction KW - imidoyl chloride KW - Dimroth rearrangement KW - intramolecular hydrogen bond. N2 - A simple convenient protocol for the synthesis of secondary amine N-(2- (substitutedphenyl)quinazolin-4(3H)-ylidene) carbothioamides and O-alkyl N-2- (substitutedphenyl)quinazolin-4(3H)-ylidene carbamothioates has been described. It involves the cascade reaction of various secondary amines or alcohols with imidoylisothiocyanates in acetonitrile to afford the desired compounds in excellent yields. The reaction time was 48 h under reflux conditions, involved a simple work up, to form 42 examples of pure products in high yields. The precursor imidoyl isothiocyanates were prepared from the corresponding benzanilides and were purified by flash chromatography. ER -
FATHALLA, Walid Mohamed a Pavel PAZDERA. Convenient domino synthesis of quinazolin-4(3H)-ylidene carbothioamides and carbamothioates. \textit{Tetrahedron}. Oxford: ERGAMON-ELSEVIER SCIENCE LTD, 2017, roč.~73, č.~31, s.~4573-4583. ISSN~0040-4020. Dostupné z: https://dx.doi.org/10.1016/j.tet.2017.06.024.
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