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.

Short Paper | Regular issue | Vol 106, No. 8, 2023, pp.1397-1406
Published online, 5th July, 2023
DOI: 10.3987/COM-23-14876
Efficient One-Pot, Three-Step Synthesis of 1,2,3,5-Tetrasubstituted Pyrroles via Aza-Michael Addition of Methyl 3-Iminoacrylates

Michiyasu Nakao,* Ken Horikoshi, Syuji Kitaike, and Shigeki Sano*

*Graduate School of Pharmaceutical Sciences, Tokushima University, 1-78 Sho-machi, Tokushima 770-8505, Japan


An efficient one-pot, three-step procedure for the aza-Michael addition of methyl 3-iminoacrylates with secondary amines followed by intramolecular cyclization and silylation successfully afforded novel 1,2,3,5-tetrasubstituted pyrroles in high yields.