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 36, No. 12, 1993, pp.2657-2662
Published online, 1st January, 1970
DOI: 10.3987/COM-93-6488
A New Method for Introducing Acetylene Groups at the α-Position of the Pyrroliding Ring

Tatsuo Nagasaka,* Shiro Nishida, Koichi Adachi, Toshio Kawahara, Shu Sugihara, and Fumiko Hamaguchi

*Tokyo College of Pharmacy, 1432-1 Horinouchi, Hachioji, Tokyo 192-0392, Japan


A new method has been established for introducing acetylene groups at the α-position of pyrrolidine ring, in which 2-ethoxy-N-ethoxycarbonylpyrrolidine reacts with tin(IV) acetylides in the presence of tin(II) triflate.