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Tetrahydroberberine의 N과 C_14 개열 검토
김신규,황순호,박예진,김은주,신혜경,안혜리 慶熙大學校 1995 論文集 Vol.24 No.-
In this paper we described an efficient N-C_14 Bond Cleavage of tetrahydroberberinium methylchloride(2), via(3), using IRA-400 and its application to a Simple Novel Synthesis of 3,4-dimethoxy-5,6,7,8,-tetrahydro-10,11-methylenedioxy-6-methyldibenzo[c,g]azecine(4).
김신규(Sin Kyu Kim),김동현(Dong Hyun Kim),정경희(Kyung Hee Chung),황순호(Soon Ho Hwang),김재현(Jae Hyun Kim) 대한약학회 1994 약학회지 Vol.38 No.1
Irradiation of the berberinephenolbetaine [1] effected valence tautamerization to give 8,14-cycloberbine[2], which was converted to the spirobenzylisoquinolines by regioselective C-N bond cleavage A variety of ring systems such as compounds [4], [5] and [6] were indroduced by the structural modification of berberinephenolbetaine.
8-Methyl-8,14-cycloberbine 유도체 합성
황순호(Soon Ho Hwang),김재현(Jae Hyun Kim),임형엽(Hyung Yub Yim),김신규(Sin Kyu Kim) 대한약학회 1994 약학회지 Vol.38 No.4
In accordance with reported references, 8-methyl-8,14-cycloberbine was derived from berberinephenolbetaine. On acidic treatment the 8-methyl-8,14-cycloberbines were converted easily to the compounds 1-7 in good yields. We developed a novel method for a Synthesis of the C8-N bond adduct compounds 8 and 9 from 8-methyl-8,14-cycloberbine by treatment with oxalyl chloride, and 1,3-dichloroaceton.