Reaction of trifluoroacetylchromenes with 6-aminouracils. Synthesis of pyrido[2,3-d]pyrimidines-1,3-dimethyluracil and 6-aminothiouracil afforded
a number of pyrido[2,3-d]pyrimidine derivatives
Ortho-Quinone methides as key intermediates in cascade heterocyclizationsDevelopment of new methods of heterocyclic synthesis is still
a topical issue. In this connection
Spoligotyping of tuberculous mycobacteria isolated from humans and cattle of known mycobacteria thus establishing their belonging to
a specific genetic family. The studied isolates
Reactions of 1-[(dimethylamino)methyl]naphthalen-2-ols with cyclic push-pull nitroenamines[Figure not available: see fulltext.]
A method was developed for the synthesis of 1-[2-nitro-2