131747-55-2Relevant articles and documents
Efficient pyridinylmethyl functionalization: Synthesis of 10,10-bis[(2-fluoro-4-pyridinyl)methyl]-9(10H)-anthracenone (DMP 543), an acetylcholine release enhancing agent
Pesti,Huhn,Yin,Xing,Fortunak,Earl
, p. 7718 - 7722 (2000)
2-Fluoro-4-methylpyridine (3) is efficiently functionalized by chlorination, hydrolysis and methane-sulfonylation into the novel alkylating agent 7. This mesylate is used for the bisalkylation of anthrone under carefully defined conditions to prepare the cognition enhancer drug candidate 1. This process proceeds in up to 37% overall yield and is adaptable for large scale synthesis.
Substituted purinon derivatives and medicinal use thereof
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Paragraph 0071-0072, (2018/05/07)
The invention relates to substituted purinon derivatives represented by formula (I), and pharmaceutically acceptable salts, isomers, prodrugs and medicinal compositions thereof. Above compounds are stimulants of soluble guanylate cyclase. In the formula (I), R1 represents a thienyl group or a substituted pyridyl group, R2 represents -NH2 or -NHCH3, and R3 represents hydrogen or a C1-C4 alkyl group. The invention also discloses a preparation method of the compounds and an application of the compounds as medicines, especially an application as cardiovascular disease treatment medicines.
Modular Route to Azaindanes
Huang, Qi,Zard, Samir Z.
supporting information, p. 3895 - 3898 (2017/07/26)
A convergent radical based route to azaindanes is described, relying on the degenerative addition transfer of various substituted S-(pyridylmethyl)-O-ethyl dithiocarbonates (xanthates) to functional alkenes followed by radical cyclization onto the pyridine ring activated by protonation with trifluoroacetic acid. In one case, a richly decorated cyclohepta[b]pyridine could be assembled swiftly by allowing the first adduct to N-phenylmaleimide to undergo addition to N-allylphthalimide prior to cyclization.
