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16.
Wol. 5 1, No. 3
Journal of Natural Products
I. Plakunov, T.A. Srnolarek, D.L. Fischer,
J.C. Wiley, Jr., and W . M . Baird, Carcinogmesis (London), 8 , 59 (1987). 17. M.S. Rao, N . D . Labwani, T.K. Watan a b , and J.K. Reddy, Cancer Res., 44, 1072 (1984). R e r e i d I8 Desmber I987
ERRATUM Amrik Singh Chawla has requested the following correction for the paper entitled “Alkaloidal Constituents of Erytbrina crista-gallz Flowers,” J . Nat. Prod., 50, 1146 (1987). The corrected structure of 11-methoxy-erythratine 121 is as follows:
OH
ERRATUM Kenneth L. Rinehart has requested the following correction for the paper entitled “Didemnins and Tunichlorin: Novel Natural Products from the Marine Tunicate Trididemnum solidum,” J , Nat. Prod., 51, 1 (1988). On page 13 in Scheme 6, the two left-hand lines ofchemical shift data should be interchanged and Scheme 6 should appear as follows:
J,Hz 7.1, 2.0 5.11 dt 5.2, 1.8 3.51 dt
6
J,Hz
2.30 dd
18.4, 2.6
2.75 dd
18.4, 7.0
,jy\ 7
H
