The synthesis has been effected of C-10 N-acylated amino acid derivatives of colchicine by
condensing (β-aminoethylamino) colchicide with N-acylated amino acids. The structures of …

Colchicine, present as a major alkaloid in Colchicum autumnale, is an old drug used in
medicine in acute gout attacks and in Famililal Mediterranean Fever (FMF). Colchicine and …

Two tetrahydroisoquinoline alkaloids were extracted from the alkaloid fraction of a methanol
extract of the seeds of Calycotome Villosa Subsp. intermedia. Their structures were …

Leaves of Cocculus pendulus have yielded eight new bisbenzylisoquinoline alkaloids,
namely (+)-kohatamine,(+)-1, 2-dehydrokohatine,(+)-1, 2-dehydrokohatamine,(+)-5' …

Rhizomes of Corydalis nobilis (L.) PERS.(3% of alkaloids) contain (+)-
tetrahydropalmatine,(+)-bicuculline and (+)-corytuberine as the main constituents of the …

Alkaloids of the leaves of Cocculus laurifolius the structure of coclafine Page 1 ALKALOIDS OF
THE LEAVES OF COCCULUS LAURIFOLIUS THE STRUCTURE OF COCLAFINE R. Ziyaev …

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From the bark of Aeschrion crenata Vell.(sin. Picrasma crenata (Vell.) Engl.) 1-carbomethoxy-
β-carboline (I) and two new β-carboline bases, named crenatine (II) and crenatidine (III) …

2578 J. Chem. SOC. (C), 1970 Page 1 2578 J. Chem. SOC. (C), 1970 Synthesis of 5,6,7,8-Tetra
hyd ro-7-methyld i benz[c,g]azecin-I 4(13H)-one : the Structural Skeleton of the Protopine …

Corydalidzine (I), C2OH2304N, rsp 209-210'(in vacua) 2,,[al; EtCE+ 333'(MeoH), W A_ nm
(log E): 211.5 c4. 461, 225c4. 27 sh.), 283.5 (3.78), IR" 2 an-': 3475, was supposed to he a …