1. Key green chemistry research areas—a perspective from pharmaceutical manufacturers
2. Solomons, T. W. G.; Fryhle, C.; Snyder, S.Organic Chemistry,11th ed.Wiley Global Education:Hoboken, NJ, 2012; pp796–798.
3. Karty, J.Organic Chemistry: Principles and Mechanisms;W. W. Norton & Company Incorporated:New York, 2014; pp971–974,1049–1052.
4. Sorrell, T. N.Organic Chemistry;University Science Books:Sausalito, CA, 2006; pp710–715,938.
5. McMurry, J. E.Organic Chemistry, 9th ed.;Cengage Learning:Boston, MA, 2015; pp692–707.