STEREOCHEMISTRY AND STRUCTURE PROOF OF (78)-CIS,CIS-NEPETALACTONE AND RELATED COMPOUNDS By REBECCA LYNN IRVIN I\ Bachelor of Science Southwestern State College Weatherford, Oklahoma 1970 Submitted to the Faculty of the Graduate College of the Oklahoma State University in partial fulfillment of the requirements for the Degree of.297 CHAPTER 6 Stereochemistry IntentandPurpose Stereochemistry is the study of the static and dynamic aspects of the three-dimensional shapesofmolecules.