The present invention relates to compounds of formula (I),
and salts thereof, processes for their preparation, to compositions containing them and to their use in the treatment of various disorders, such as allergic rhinitis.
The invention relates to compounds of formula (I) or salts and solvates thereof, processes for their preparation, to compositions containing them and to their use in the treatment of various disorders, such as allergic rhinitis:
wherein R
1
and R
2
are as defined in the specification.
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.