Zobrazeno 1 - 10
of 74
pro vyhledávání: '"N. S. Dokunikhin"'
Autor:
N. S. Dokunikhin, A. M. Galushko
Publikováno v:
Chemistry of Heterocyclic Compounds. 13:773-778
Autor:
S. A. Mikhalenko, N. S. Dokunikhin
Publikováno v:
Chemistry of Heterocyclic Compounds. 1:402-405
Publikováno v:
Chemistry of Heterocyclic Compounds. 4:345-348
Publikováno v:
Chemistry of Heterocyclic Compounds. 3:438-441
Publikováno v:
Chemistry of Heterocyclic Compounds. 2:180-183
N-methylanthrapyridone (3-methyl-7H-dibenz [f,ij] isoquinolin-2, 7-dione) reacts with phosphorus pentachloride at 180° to give 2-chloroanthrapyridine (2-chloro-7H-dibenz [f, ij] isoquinolin-7-one), while at 130° C it forms an addition compound assu
Autor:
S. A. Mikhalenko, N. S. Dokunikhin
Publikováno v:
Chemistry of Heterocyclic Compounds. 2:319-322
The synthesis of 2-methyl (phenyl)-2, 3H-pyridazino-[4, 5, 6-m- l] fluorene-3-methylthionium methylsulfates and of derivatives with substituents in the fluorene ring, is described. Reaction of the latter with heterocyclic hydrazones, and also with co
Publikováno v:
Chemistry of Heterocyclic Compounds. 4:496-498
6-Bromo-N-methylpyridone reacts with phosphorus pentachloride at 180° C to form, 2, 6-dichloroanthrapyridine. The latter reacts with amines at moderate temperatures forming 6-amino-2-chloro derivatives of anthrapyridine and at high temperatures form
Publikováno v:
Chemistry of Heterocyclic Compounds. 4:628-630
It is shown that hydrogen chloride catalyzes the replacement of halogen in the reaction of halogenoanthrapyridines with aromatic amines. Cupric acetate, in the presence of potassium acetate at 80–120° C, does not catalyze the replacement of haloge
Autor:
N. S. DOKUNIKHIN, G. A. MEZENTSEVA
Publikováno v:
Chemischer Informationsdienst. 5
Publikováno v:
Chemischer Informationsdienst. 7