... Acknowledgment. This work was supported in part by a grant from the Kational Science Founda- tion and by a Fellowship from the Xitrogen Division, Allied Chemical Corp. This aid is grate- fully acknowledged. ... (23) L. Fieser and J. Hartxell, J. Am. Chem. SOC., 60, 2,556 (1938). ...
[Dhayalan, Vasudevan; Clement, J. Arul; Jagan, Radhakrishnan; Mohanakrishnan, Arasambattu K. European Journal of Organic Chemistry, 2009 , # 4 p. 531 - 546]