3rd International symposium on organosilicon chemistry

C24

Joumal of Organometallic Chemistry Ekvier

Sequoia S-A., Lausanne - Printed in The Netherlands

Announcement

3rd INTERNATIONAL

SYMPOSIUM ON ORGANOSILICON

CHEMISTRY

The above symposium will be held at the University of Wisconsin, Madison, Wisconsin, U.S.A. from August 21-24,1972. Titles of offered short papers (ca. 15 minutes) should be submitted by June 1,1972, and Abstracts by June 16. Details can be obtained from:

Dr. D.R. Parnell, Third International Symposium on Organosilicon Chemistry, University of Wisconsin, Madison, Wisconsin 53706 (U.S.A.)

Erratum

J. Organometal

C’hem, Vol. 35, No. 2 (February

16th, 1972)

Page C61, last line should read: to a mixture of Ia(5%), IIa(8 l%), IIIa(8%) and IVa(6%). The structures

J. Organometal. Chem-, 38 (1972)

of the products