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 31, No. 1, 1990, pp.17-22
Published online, 1st January, 1970
DOI: 10.3987/COM-89-5210
A Convenient, One-Pot Azulene Synthesis from Cyclohepta[b]furan-2-ones and Vinyl Ether and Its Analogues. (II). Acetals as Reagent

Tetsuo Nozoe,* Hidetsugu Wakabayashi,* Sumio Ishikawa, Chi-Phi Wu, and Paw-Wang Yang*

*Department of Chemistry, Faculty of Science, Josai University, 1-1 Keyakidai, Sakado, Saitama 350-0295, Japan


Variously functionalized azulene derivatives were synthesized in one-pot and by the reaction of cyclohepta[b]furan-2-ones with acetals of several aldehydes and ketones on heating at 160-190 °C in neat or aprotic solvent.