ERRATA G. Petersson. Mass spectrometry of aldonic and deoxyaldonic acids as trimethylsilyl derivatives Tetrahedron 26.34 13 ( 1970) One line was omitted from the third sentence on page 3417. It should read : -- p. 3417-A metastable peak for glycolic acid at n.e 53.7-54.0 (talc 53.8) probably corresponds to the formation of this ion from the nr;e 81 ion by loss of formaldehyde S. J. Brois. The influence of N-substituents on the ring proton shifts in aziridines. The role of magnetic anisotropy and intramolecular dispersion effects. Tetrahedron 2h. 227 (1970) p. 231. line 2 **. and (Hb) protons” should read: ‘*. . . and truns (Hb) protons” p. 23 1.2nd paragraph line 4 “effect” should be: “effect*“. p. 232, Table 4. “Ref. 7” should be: “Ref. 6” S. Sorriso et H. Lumbroso. Sur les conformations des molecules de diacetyl-1.1’ et de dibenzoyl-1.1’ ferrocenes. Tetrahedron 2h, 2695 ( 1970) p. 2695, Resume. ligne 4. /ire est plus genee p. 2695. Abstract. ligne 4. liw is more restricted p.269g.ligne lK.lire~r2(11’) = ~,2(11”) p. 2698, ligne 20, /ire cos (tj + 20) p. 2699. ligne 12. lit-a a’ = 4’ p. 2699. ligne 14. /ire cos a’ = 0.32. cos /I’ = 0.075 p. 2700, ligne 8. /ire II/ = 0’ p.2700.ligne9,lirr(~,,~,,) = (a a,,) = (3.50 3.09) = 1.16 p. 2701. ligne 3h.lirr cos x’ = 0.0X 4614

Sur les conformations des molécules de diacétyl-1,1' et de dibenzoyl-1,1' ferrocénes

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Page 1: Sur les conformations des molécules de diacétyl-1,1' et de dibenzoyl-1,1' ferrocénes

ERRATA G. Petersson. Mass spectrometry of aldonic and deoxyaldonic acids as trimethylsilyl derivatives Tetrahedron 26.34 13 ( 1970)

One line was omitted from the third sentence on page 3417. It should read : -- p. 3417-A metastable peak for glycolic acid at n.e 53.7-54.0 (talc 53.8) probably corresponds to the formation of this ion from the nr;e 81 ion by loss of formaldehyde

S. J. Brois. The influence of N-substituents on the ring proton shifts in aziridines. The role of magnetic anisotropy and intramolecular dispersion effects. Tetrahedron 2h. 227 (1970) p. 231. line 2 **. and (Hb) protons” should read: ‘*. . . and truns (Hb) protons” p. 23 1.2nd paragraph line 4 “effect” should be: “effect*“. p. 232, Table 4. “Ref. 7” should be: “Ref. 6”

S. Sorriso et H. Lumbroso. Sur les conformations des molecules de diacetyl-1.1’ et de dibenzoyl-1.1’ ferrocenes. Tetrahedron 2h, 2695 ( 1970) p. 2695, Resume. ligne 4. /ire est plus genee p. 2695. Abstract. ligne 4. liw is more restricted p.269g.ligne lK.lire~r2(11’) = ~,2(11”) p. 2698, ligne 20, /ire cos (tj + 20) p. 2699. ligne 12. lit-a a’ = 4’

p. 2699. ligne 14. /ire cos a’ = 0.32. cos /I’ = 0.075 p. 2700, ligne 8. /ire II/ = 0’

p.2700.ligne9,lirr(~,,~,,) = (a a,,) = (3.50 3.09) = 1.16 p. 2701. ligne 3h. lirr cos x’ = 0.0X

4614