Isolation of (+) O-pentamethyl dihydromelanoxetin from Albizzia odoratissima Benth.

Papers to be published in future issues

2354

W. HERZ and S. INAYAMA: Constituents of Gaillurdiu species IT. Structures of pulchellin I3 and pulchellin C. B. J. ARMITAGE, G. W. KENNER and M. J. 7. ROBIN?+ON: Conformational effects in compounds with six-membered rings-l and II. W. D. COTTERILL and MT J, T, ROBINSON: Conformational effects in compounds with six-membered rings--III and iv. H. NOZAKI, R. NOYORI and N. KOZAKI: Acetolysis of Irons-1,2dibromobenzocyclobutene. J. S. P. SCHWARZ, A. I. COHEN and W. D. OLLIS: The extractives of Piscidiu erthyrina L-I. S. F. DYKE, W. D. OLLIS, M. SAINSFWRY and J. S. P. SCHWARZ: The extractives of Pi&&z erthyrinu L-II.

ERRATA A. I. TITOV:

The free radical

p. 576 Last line of text.

mechanism

of nitration.

Tetrahedron

19, 557 (1963).

For page 3 1 read page 572.

L. RAMACHANDRA Row and C. V. REDDY SASTRY: lsolation of (+) 0-pentamethyl di hydromelanoxetin from Albizzia odorutissima Benth. Tetrahedron 19, 137 1 (1963). Ref. 7 should

read as follows: G. Lindstedt:

Acta. Chem. Stand. 772 (1950).

of the principle of the addJ. F. J. DIPPY and S. R. C. HUGHES: ‘An examination itivity of substituent group influence in benzoic acids’ Tetrahedron, 19, 1527 (1963). p. 1529. Table 2. % Deviation and not -2.

(last column)

for 3,5-dihydroxy

acid should

he -32