80466-56-4Relevant articles and documents
A 2,5-diamino -4,6-dihydroxy-pyridine synthesis method (by machine translation)
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Paragraph 0004; 0007, (2016/11/17)
The invention relates to a method for synthesis of compound, a 2,5? Diaminotriphenylamine? 4,6? Dihydroxybenzonic pyridine synthesis method. This method, in order to c diethyl adipic acid and hydrochloric acid guanidine is raw materials, through nitration, ammoniation reduction a series of reaction 2,5? Diaminotriphenylamine? 4,6? Dihydroxybenzonic pyridine, the method the production cost is cheap, mild reaction conditions, high yield. (by machine translation)
Synthesis of a Naturally Occurring Dihydrohomopteridine Insect Metabolite, 6-Acetyl-2-amino-7,8-dihydro-9H-pyrimidodiazepin-4(3H)-one
Boyle, Peter H.,Hughes, Enid M.,Khattab, Hassan A.,Lockhart, Ronan J.
, p. 2071 - 2077 (2007/10/02)
The naturally occurring dihydrohomopterin derivative 6-acetyl-2-amino-7,8-dihydro-9H-pyrimidodiazepin-4(3H)-one (1) has been synthesised from 1-amino-4,4-diethoxypentan-3-ol (10) and 2-amino-6-chloro-5-nitropyrimidin-4(3H)-one (3).A novel tricyclic intermediate, 2,2a-dihydroxy-2-methyl-6-nitro-1,2,2a,3,4,5-hexahydro-1,5,8,8b-tetra-aza-acenaphthylen-7-one was isolated.
Pterins. VII. Preparation of 6,6-dimethyl-5,6,7,8-tetrahydropterin hydrochloride
Armarego,Waring
, p. 1921 - 1933 (2007/10/02)
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