1067892-75-4Relevant articles and documents
The first tandem acetalization/5-exo-dig cyclization of 6-phenylethynylpyrimidine-5-carbaldehydes: Efficient synthesis of 5-alkoxy-(7Z)-7-benzylidene-5,7-dihydrofuro[3,4-d]pyrimidines
Cikotiene, Inga,Morkunas, Marius,Motiejaitis, Dainius,Rudys, Simonas,Brukstus, Algirdas
, p. 1693 - 1697 (2008)
The first example of catalyst-free tandem acetalization/ 5-exo-dig cyclization reactions of 6-phenylethynylpyrimidine-5-carbaldehydes is presented. Efficient novel synthesis of 5,7-dihy-drofuro[3,4-d]pyrimidine core is described. Thieme Stuttgart.
Study on the cyclization of 6-arylethynylpyrimidine-5-carbaldehydes with tert-butylamine: microwave versus thermal preparation of pyrido[4,3-d]pyrimidines
Cikotiene, Inga,Kairys, Visvaldas,Buksnaitiene, Rita,Morkunas, Marius,Rudys, Simonas,Brukstus, Algirdas,Fernandes, Miguel X.
scheme or table, p. 5752 - 5759 (2009/12/01)
Thermal and microwave initiated cyclization of 2,4-disubstituted 6-arylethynylpyrimidine-5-carbaldehydes with tert-butylamine has been studied. A novel high-yielding preparation of 2,4-disubstituted 7-arylpyrido[4,3-d]pyrimidines has been developed. The i