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. 8, 1990, pp.1413-1416
Published online, 1st January, 1970
DOI: 10.3987/COM-90-5427
Preparation of Newly Modified DIOP Bearing Bis(4-dimethylamino-3,5-dimethylphenyl)phosphino Groups and Its Application to Efficient Asymmetric Hydrogenation of Itaconic Acid Derivatives

Kiyoshi Yoshikawa, Kiyoshi Inoguchi, Toshiaki Morimoto, and Kazuio Achiwa*

*Schol of Pharmaceutical Sciences, University of Shizuoka, 395 Yada, Shizuoka 422-8526, Japan


We prepared a modified DIOP analogue bearing bis(4-dimethylamino-3,5-dimethylphenyl)phosphinogroups. Its rhodium complex was found to be a useful catalyst for asymmetric hydrogenation of dimethyl itaconate and itaconic aicd derivatives bearing β-aryl goups.