Abstract
(S,S)-2,3-Bis(diphenylphosphinoyl)butane, an immediate precursor of (S,S)-CHIRAPHOS, can be obtained with 70% de and 71% op via double asymmetric hydrogenation of 2,3-bis(diphenylphosphinoyl)buta-1,3-diene in the presence of Ru(S)-BINAP catalysts.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
