110858-68-9

Upstream product

• 38953-47-8 4-chloro-2-methyl-6,7-dihydro-8H-pyrimido[5,4-b][1,4]oxazin-7-one 
• 104-63-2 N-Benzylethanolamine 

Downstream Products

• 110859-23-9 8-benzyl-4-(2-hydroxyethyl)-amino-2-methyl-6,7-dihydro-8H-pyrimido[5,4-b][1,4]oxazin-7-one 
• 124253-81-2 1-Benzyl-2,3,8,9-tetrahydro-5-methyl-8-oxo-7H-imidazo<1,2-c>pyrimido<5,4-b><1,4>oxazinium Chloride 

Relevant academic research and scientific papers

Synthesis of new tricyclic ring systems containing the pyrimido[5,4-b][1,4]oxazine skeleton

Synthesis of derivatives 4 and 6 of two novel tricyclic ring systems, 1,2,4-triazolo[3,4-c]pyrimido[5,4-b][1,4]oxazine and imidazo[1,2-c]pyrimido[5,4-b][1,4]oxazine, respectively is described. Although the parent pyrimido[5,4-b]oxazines possess positive i

Pyrimido[5,4-B][1,4]oxazine derivatives and pharmaceutical compositions containing them

The invention relates to novel pyrimido [5,4-b][1,4]oxazine derivatives of the formula (I), and the acid addition salts thereof, pharmaceutical compositions containing them and a process for their preparation. In the formula (I) STR1 wherein R1