Additions and Corrections Vol. 27, 1962 William L. Howard and Ronald E. Gilbert: lJ2,3,4-Tetrachloronaphthalene from Trichloroethylene and Benzoyl Peroxide. Page 2685. We wish to call attention to the work of Dr. Naoki Inamoto [Yuki Gosei Kagaku Kyokai-shi, 16, 454 (1958); Chem. Abstr. 52, 19901 (1956)] on the Dimerization of Trichloroethylene Induced by the Decomposition of Benzoyl Peroxide of which we were unaware a t the time of publication of our paper.
I.
m
ll
Vol. 28, 1963 Nelson J. Leonard, E. F. Kiefer, and Leonard E. Brady: Small Charged Rings. IV. Expansion of the Aziridinium Ring by Reaction with Aldehydes. Page 2853. Footnote m t o Table I should read: “Prepared from l-benzyl-l-ethyl-l-azoniaspiro[2.5]octane perchlorate.” T. J. Perun, L. Zeftel, R. G. Nelb, and D. S. Tarbell: Bridged Lactones and Bridged Carbocyclic Systems from 2-(3,4,5Trimethoxyphenyl)-4,5-dimethyl-A~-cyclohexenecarboxylic Acid. Novel Mescaline Analogs. Page 2938. Top of the right-hand column, the carboxyl group in formula K is out of place. It should be a t the same relative position as shown in formula Y, p. 2939, bottom of the right hand column. Vol. 29, 1964
M. L. Wolfrom, J. R. Vercellotti, and D. Horton: Two Disaccharides from Carboxyl-Reduced Heparin. The Linkage Sequence in Heparin. Page 545. Column 1, line 1, “2 ml.” should read “20 ml.” Page 545. Column 1, line 2, insert “under nitrogen” after “bath.” G. L. K. Hunter and W. B. Brogden, Jr.: Structure of Ylangene. Page 983. Column 1, structure 1 should be A. In column 2, the structures should be B and C.
H ‘
= \ =
A
B C Noah J. Halbrook, Ray V. Lawrence, Robert L. Dressler, Robert C. Blackstone, and Werner Herz : Structure and Stereochemistry of Diels-Alder Adducts of Levopimaric Acid. Page 1019. First column, lines 13 and 11 from bottom, and second column, line 4 from top, “XVI” should read “XV.” E. Campaigne and N. W. Jacobsen: Dithiolium Salts. I. 2-Dialkylamino-l,3-dithiolium Perchlorates. Page 1704. I n column 1, the last sentence on the page should read “an absorption a t low wave length (240-254 mp) has been associated with the transition to the immonium state (IV), while a higher wave length (270-280 mp) feature is thought t o arise from transition of the sulfonium structure (V).” S. C. Bhattacharyya, S. Ramaswami, and S. K. Ramaswami: Terpenoids. IL. A Study of the Prins Reaction on the Isopropylidene Type Double Bonds. Page 2245. The following charts containing the structural formulas were inadvertently omitted from the paper.
4394
W
O
O
H
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