Efficient Synthesis of Functionalized 2-Carbamoylpyran-4-ones by Ring-Transformation of 5-Alkylidene-2,5-dihydropyrrol-2-ones
作者:Peter Langer、Joachim Anders、Van Nguyen
DOI:10.1055/s-2004-835652
日期:——
Functionalized 2-carbamoylpyran-4-ones were prepared by acid-mediated ring-transformations of readily available 5-alkylidene-3-arylamino-2,5-dihydropyrrol-2-ones.
PROCESSES FOR PREPARING (R)-2-METHYLPYRROLIDINE AND (S)-2-METHYLPYRROLIDINE AND TARTRATE SALTS THEREOF
申请人:Christie Michael
公开号:US20100121055A1
公开(公告)日:2010-05-13
The present invention provides a short, safe, inexpensive, commercially scalable process for preparing (R)- or (S)-2-methylpyrrolidine from 2-methylpyrroline, which does not require the isolation of synthetic intermediates.
PYRAZOLES FOR THE TREATMENT OF OBESITY AND OTHER CNS DISORDERS
申请人:Bennani Youssef L.
公开号:US20110112088A1
公开(公告)日:2011-05-12
This invention relates to compounds of the formula:
to compositions containing these compounds, and to methods of treatment employing the compounds and compositions.