Rigidins B-D, new pyrrolopyrimidine alkaloids from a tunicate Cystodytes species.
Three new pyrrolopyrimidine alkaloids, rigidins B-D (1-3), have been isolated from an Okinawan marine tunicate Cystodytes sp., and the structures were elucidated on the basis of spectroscopic data.
Tsuda
Masashi
M
Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan.
Nozawa
Kohei
K
Shimbo
Kazutaka
K
Kobayashi
Jun'ichi
J
D000470:Alkaloids / Q000737:chemistry / Q000302:isolation & purification*; D000818:Animals; D007564:Japan; D008968:Molecular Conformation; D015394:Molecular Structure; D011743:Pyrimidines / Q000737:chemistry / Q000302:isolation & purification*; D011758:Pyrroles / Q000737:chemistry / Q000302:isolation & purification*; D014561:Urochordata / Q000737:chemistry*
D000470:Alkaloids; D011743:Pyrimidines; D011758:Pyrroles; C475148:rigidin B; C475149:rigidin C; C475150:rigidin D