215871-90-2Relevant academic research and scientific papers
Total syntheses of (±)-phycocyanobilin and its derivatives bearing a photoreactive group at D-ring
Kakiuchi, Takashi,Kato, Hirohide,Jayasundera, Krishanthi Padmarani,Higashi, Taijiro,Watabe, Kazuhiko,Sawamoto, Daisuke,Kinoshita, Hideki,Inomata, Katsuhiko
, p. 1001 - 1002 (2007/10/03)
(±)-Phycocyanobilin and its derivatives bearing a photoreactive group at D-ring were first synthesized by the development of a new and convenient method for the preparation of A-ring, transesterification for propanoic acid side-chains of the pyrrole derivative common to B- and C-rings, and deprotection of allyl ester side-chains with a palladium catalyst to avoid migration of exocyclic olefin of A-ring.
A New Method for the Preparation of A- and D-Rings of Phycocyanobilin Using Mucochloric Acid as a Starting Material
Ngwe, Hla,Nakayama, Eriko,Higashi, Taijiroh,Kinoshita, Hideki,Inomata, Katsuhiko
, p. 713 - 714 (2007/10/03)
Diethyl 4-ethyl-1,5-dihydro-3-methyl-5-oxo-2H-pyrrol-2-yl-phosphonate and 2-ethylidene-3-methyl-1-thiosuccinimide as D-and A-rings of phycocyanobilin dimethyl ester could be synthesized by using commercially available mucochloric acid as a starting materi
