5515
Communications to the Editor J. Insect. Physiol.. 22, 403 (1976). Direct comparison of our material with a synthetic specimen provided by Dr. lkekawa established the identity. Varian Associates, Palo Alto, Calif. NIH Postdoctoral Fellow, 1971-1973.
Norbert Theobald, J. N. Shoolery,17Carl Djerassi* Department of Chemistry, Stanford University Stanford, California 94305 Timothy R. Erdman,l* Paul J. Scheuer Department of Chemistry, University of Hawaii Honolulu, Hawaii 96822 Received May 1, 1978
Chiral Aggregation Phenomena. 1. Acid Dependent Chiral Recognition in a Monolayer
40-
36 32
~
~
28.
: E
24-
0 i?l-Ornide
0 SI-)
- omide:
60AZ/rn 6 0 i2/ m
%20-
a
16-
4[
i/