Archaster typicus

Fig. 14, Higly hydroxylated steroids from the starfish Archaster typicus (124 - 126).

Nonahydroxysterols isolated from the spedes Archaster typicus and Patiiia miniata are the most hydroxylated sterols encountered in Nature (Table 26.9). 

OH Nonahydroxysterols a-OH a-0S03Na 3-OH 3-OH a-OH a-OH H SC-33 Archaster typicus Riccio et al., 1986c... 

Ivanchina, N.V., Kicha, A.A., Huong, T.T.T., Kalinovsky, A.I., Dmitrenok, P.S., Agafanova, I.G., Long, P.Q., and Stonik, V.A. (2010) Flighly hydroxylated steroids from the starfish Archaster typicus from the Vietnamese waters. Steroids, 75, 897-904. 

Mattia, C.A., Mazarella, L., Puliti, R., Riccio, R., and Minale, L. (1988) Stmcture and stereochemistry of (24R)-27-nor-5a-cholestane-3p,4p, 5,6a,7p,8,14,15a,24-nonaol a highly hydroxylated marine steroid from the staifish Archaster typicus. Acta Crystallogr. Sect. C, 44, 2170-2173. 

Riccio, R., Squillace Greco, O., Minale, L., Laurent, D., and Duhet, D. (1986c) Highly hydroxylated marine steroids from the starfish Archaster typicus. J. Chem. Soc. Perkin Trans. I, 665-670. 

---