作者:Takashi Kakiuchi、Hideki Kinoshita、Katsuhiko Inomata
DOI:10.1055/s-1999-3105
日期:——
(±)-Phytochromobilin was synthesized as an acid form by developing a convenient method for the preparation of A- and D-rings starting from a 2-tosylpyrrole derivative, followed by efficient construction of A/B- and C/D-ring components via Wittig-type coupling reaction of 5-tosylpyrrolinones with 2-formylpyrrole, and palladium catalyzed deprotection of allyl esters of propanoic acid side chains of C-8 and C-12.
(±)-植物光敏色素卟胆素以酸形式合成,通过开发一种从2-对甲苯磺酰吡咯衍生物制备A环和D环的简便方法,随后通过5-对甲苯磺酰吡咯啉酮与2-甲酰吡咯的Wittig型偶联反应高效构建A/B环和C/D环组分,以及钯催化的丙酸侧链的烯丙酯在C-8和C-12位的脱保护。