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 27, No. 4, 1988, pp.877-880
Published online, 1st January, 1970
DOI: 10.3987/COM-87-4450
Alkylation of Isolated Thiamin Ylide

Hirohiko Sugimoto and Kentaro Hirai*

*Shionogi Research Laboratories, Shionogi & Co. Ltd., Fukushima-ku, Osaka 553-0002, Japan


Alkylation of isolated thiamin ylide (TY, 3) in EtOH under the neutral conditions afforded thiamin (TH+C1-,1) and the alkylated yellow form 4, which provides direct chemical evidence for the disproportionation of thiamin ylide into the ion pair of the yellow form (TH+YF-,6)in a protic solvent.