3658
J. Org. Chew., Vol. 36, No. 93, 1971
ADDITIONSAND
A, Streitwieser, Jr., and David Holtz: Acidity of Bydrocarbons. XXXIV. Rate of Proton Abstraction from p-Trifluoromethyltoluene by Lithium Cyclohexylamide in Cyclohexylamine.
CORRECTIONS
SCHEME Io
Page 4290. The registry number for LiCHA should be 481994-7.
Vol. 36, 1971
F
O
-0
F*-
David N. Harpp, John G. Gleason, and David K. Ash: The Chemistry of Thiolsulfonatos and Related Derivatives. Nucleophilic Reactions on Sulfenyl Sulfur. Page 326. Column 1. Lines 35 and 36. Nmr should read 5.5 (m, 2 H), 7.65 (m, 4 H).”
“7
J. K. Crandall and R. J. Watkins : Thermal Transformations of Medium Ring Olefins. Page 915. Column 1, line 33. “18” should read “11.” S. Morris Kupchan and Masao Maruyama: Reductive Elimination of Epoxides to Olefins with Zinc-Copper Couple. Page 1188. Columns 1 and 2, Table I. Compounds 14 and 15 were designated erroneously as ll,l2-diones, rather than Il,2O-diones. Thus 14 is 16a,l7~~-oxido-3a-acetoxy-16p-methyl5p-pregnane-11,20-dione,and 15 is 3a-acetoxy-16-rnethyl-5Ppregn-16-ene-ll,2O-dione. Page 1190. Column 1, lines 66,67, and 72. The designations of compounds 14 and 15 should be corrected as described above. Robert K. Howe, P. Carter, and S. Winstein : Formation and Transannular Reactions of Cyclopropane Half-Cage Alcohols. Page 1317. The structure for 4 should be 0
a Only one tautomeric or resonance form for each state has been drawn. Flavins are 7,8-dimethylisoalloxazines.
from addition of phenyl Grignard reagent to lutidine N-oxide exists in ring-opened form.
H. E. Zaugg and R. W. DeNet : 3-Monosubstitut,ed 1-Benzoyl2,2-dichloroaziridines. Methanolysis, Thermolysis, and Benzoylation. Page 1938, column 2 . Structure 14 is in error. The nitrogen and oxygen atoms should be interchanged. D. E. Boone, E. J. Eisenbraun, P. W. Flanagan, and R. D. Grigsby : The Acid-Catalyzed Alkylation and Cyclialkylation of the Cymenes with Isobutylene and Related olefins. Page 2043. In Figure 1, top trace, structure 4 should be 1,1,3,5-tetramethyl-3-ethylindan. Roger S. Macomber : Return-Rearrangement in Solvolyses. Triangular Kinetic Schemes.
Morton J. Gibian and A. L. Baumstark: The Reduction of Aromatic Nitro and Related Compounds by Dihydroflavins. Page 1390. Scheme I should appear as shown in column 2. Page 1392. Equation 6 should appear as follows.
Page 2183. Reference 7. Second equation has an incorrect correctly as eq 4 in the body subscript: [ R O T S ] ~ ~It~appears . of the paper. Robert L. Soulen, David B. Clifford, F. Fleming Crim, and Joann A. Johnston : Nucleophilic Vinylic Substitution. I. The Synthesis and Reactions of 2-Substituted 3,S-Dichloroacrylonitriles. Page 3386. In last line of abstract “phenylphosphorine” should be “phenylphosphine.”
T. J. van Bergen and Richard M. Kellogg : Reactions of Aryl Grignard Reagents with Pyridine 1-Oxide. The Structure of the Addition Products. Page 1705. An article by P. Schiess, P. Ringela, and H. L. Chia, Chimia, 24 (1970), has been brought to our attention. These authors, on chemical grounds, deduced that the product
Elliot Block and Robert Stevenson: Lignan Lactones. Synthesis of (i)-Collinuson and Justicidin B. ” be Page 3453. Column 1, first line of title. ‘ ( ( 3 )should 1, line 8. [ I ( = ) ’ ’ should be “(+-).” Page 3464. Column 1, fifth line from bottom. “(z)” should be “(.t)”.
“(A=).”Paragraph
