Thiocyanation of Enamines of the 3,3-Dialkyl-1,2,3,4-tetrahydroisoquinoline Series
作者:A. G. Mikhailovskii、D. A. Peretyagin
DOI:10.1134/s1070428018120138
日期:2018.12
Thiocyanation of secondary enamines of the 3,3-dialkyl-1,2,3,4-tetrahydroisoquinoline series and their benzo[f]-fused analogs (esters, amides, ketones, and nitriles) with thiocyanogen generated in situ afforded thiazolo[4,3-a]isoquinoline derivatives. Analogous reaction with a tertiary enamino ketone gave product of hydrogen substitution at the β-carbon atom of the enamine fragment.
3,3-二烷基-1,2,3,4-四氢异喹啉系列仲烯胺及其苯并[ f ]稠合类似物(酯,酰胺,酮和腈)的硫氰化与原位生成的硫氰一起生成噻唑并[4]。 ,3- a ]异喹啉衍生物。与叔烯氨基酮的类似反应在烯胺片段的β-碳原子上产生氢取代的产物。
Reaction of 3-aroyl-1H-pyrrolo[2,1-c][1,4]benzoxazine-1,2,4-triones with substituted acetamides of 3,4-dihydroisoquinolines
作者:V. V. Konovalova、A. V. Kharitonova、Yu. V. Shklyaev、A. N. Maslivets
DOI:10.1134/s1070428015110081
日期:2015.11
3-Aroyl-1H-pyrrolo[2,1-c][1,4]benzoxazine-1,2,4-triones react with substituted [3,4-dihydroisoquinolin-1(2H)-ylidene]acetamides and 2,3-dihydrobenzo[f]isoquinolin-4(1H)-ylidene}acetamide to produce substituted 1,5,5',6'-tetrahydro-3'H-spiro(pyrrole-2,2'-pyrrolo[2,1-a]-isoquinoline)-1'-carboxamides and 13-aza-analogs of steroids, substituted 5H-spiro(benzo[f]pyrrolo[2,1-a]isoquinoline-9,2'-pyrrole)-10-carboxamides respectively.
Direct heterocyclization of tetrahydroisoquinolin-1-ylideneacetic acids by the action of 5-arylfuran-2,3-diones
作者:V. V. Khalturina、Yu. V. Shklyaev、Z. G. Aliev、A. N. Maslivets
DOI:10.1134/s1070428009100297
日期:2009.10
Synthesis of Pyrimido[6,1-a]isoquinolines by the Reaction of Thriethyl Orthoformate with Enamines of 3,3-dialkyl-1,2,3,4-tetrahydroisoquinoline series
作者:A. G. Mikhailovskii、D. A. Peretyagin
DOI:10.1134/s1070428019050233
日期:2019.5
Boiling (Z)-2-[3,3-dimethyl-3,4-dihydroisoquinolin-1(2H)-ylidene]acetamides in AcOEt/Ac2O leads involves annelation of the pyrimidine ring to form 6,6-dimethyl-6,7-dihydro-2H-pyrimido[6,1-a]-isoquinolin-2-ones. Similarly, benzo[f]isoquinoline amides form in this reaction 12,12-dialkyl-11,12-dihydro-3H-benzo[f]pyrimido[6,1-a]isoquinolin-3-ones.