Online article for Non-subscribers

Pay per view

Heterocycles has a pay-per-view service for Non-subscribers.
You will be able to directly purchase the full text article through PayPal.
Your purchased Paper can be downloaded after the payment is completed.
An e-mail will be sent the URL to download the paper.
If you have any questions, please contact:

Price: ¥ 4,400 (Yen only)
Period: This Article can be accessed for 7 days.

Communication | Regular issue | Vol 20, No. 10, 1983, pp.1907-1912
Published online, 1st January, 1970
DOI: 10.3987/R-1983-10-1907
Stereoselective [3+2] Cycloaddition Reaction of Pyridinium and Thiazolium Methylides to Electron-deficient Olefinic Dipolarophiles

Otohiko Tsuge, Shuji Kanemasa, and Shigeori Takenaka

*Graduate School of Engineering Sciences, Kyushu University, 6-1, Kasuga-koen, Kasuga 816-8580, Japan


The cycloaddition reaction of pyridinium and thiazolium methylides to electron-deficient olefinic dipolarophiles has been found to take place through an endo approach of the anti-ylides to the dipolarophiles affording the stereoselective [3 + 2] cycloadducts in quantitative yields.