835919-12-5Relevant academic research and scientific papers
Regioisomerism in the Ritter reaction. 1. Synthesis of 3,3,5,6,7-, 3,3,6,7,8-, 3,3,5,7,8-, and 3,3,5,6,8-pentamethyl-3,4-dihydroisoquinolines from 1,2,3- and 1,2,4-trimethylbenzenes
Shklyaev, Yu. V.,Ismagilov,Rozhkova, Yu. S.,Fatykhov,Abdrakhmanov,Tolstikov
, p. 906 - 910 (2004)
Reactions of 1,2,3- or 1,2,4-trimethylbenzene with isobutyraldehyde and ethyl cyanoacetate (ECA) or reactions of the corresponding 1-aryl-2- methylpropan-1-ols with ECA afforded isomeric 3,3,5,6,7-, 3,3,6,7,8-, 3,3,5,7,8-, and 3,3,5,6,8-pentamethyl-3,4-di
Nitrogen heterocycles from trimethylbenzenes
Shklyaev,Ismagilov,Rozhkova,Fatykhov,Abdrakhmanov,Tolstikov,Dembitsky
, p. 471 - 476 (2007/10/03)
The reaction between 1,2,4-trimethyl-benzene 1, isobutyric aldehyde, and cyanoacetic ester afforded a mixture of three products: 3,3,5,6,8-pentamethyl-1, 2,3,4-tetraisoquinolylidene-1-acetic acid ether (2) and its 3,3,5,6,7- pentamethyl-(3)-and 3,3,6,7,8-
