Patents by Inventor Shenming Ma

Shenming Ma has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20150105567
    Abstract: The present invention relates to an optically active axially chiral ?-allenic alcohol, a synthetic method and use thereof. A method of preparing a high optically active chiral ?-allenic alcohol by using propargyl alcohol, aldehyde and chiral ?,?-diphenyl-L-prolinol under the protection of tert-butyldimethylsilyl with a mediator zinc bromide. The axially chiral ?-allenic alcohol has the structural formula (I). The method of the present invention has the following advantages: the synthesis route is short, operations are simple, raw materials are readily available, separation and purification are convenient, the substrate has high generality, the total yield is high, and enantioselectivity and diastereoselectivity are high.
    Type: Application
    Filed: November 20, 2012
    Publication date: April 16, 2015
    Applicant: SHANGHAI INSTITUTE OF ORGANIC CHEMISTRY, CHINESE ACADEMY OF SCIENCES
    Inventors: Shenming Ma, Juntao Ye