Patents by Inventor D. Hands

D. Hands 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).

  • Chiral synthesis for producing 1-azabicyclo(2.2.1)heptane-3-carboxylates
    Patent number: 5310911
    Abstract: A process for preparing substantially pure enantiomers of formula (I) ##STR1## where the * represents a chiral center, x is 0 or 1, in exo-, endo- or a mixture of exo- and endo- forms; and R is hydrogen, alkyl or aralkyl, via diastereomers of formula (IIA) or (IIB): ##STR2##
    Type: Grant
    Filed: March 11, 1992
    Date of Patent: May 10, 1994
    Inventors: I. F. Cottrell, S. H. B. Wright, D. Hands
  • Chiral synthesis for producing 1-azabicyclo[2.2.1] heptane-3-carboxylates
    Patent number: 5104989
    Abstract: A process for preparing substantially pure enantiomers of formula (I) ##STR1## where the * represents a chiral center, x is 0 or 1, in exo-, endo- or a mixture of exo- and endo- forms; and R is hydrogen, alkyl or aralkyl, via diastereomers of formula (IIA) or (IIB); ##STR2##
    Type: Grant
    Filed: May 9, 1990
    Date of Patent: April 14, 1992
    Assignee: Merck Sharp & Dohme Ltd.
    Inventors: I. Cottrell, S. H. B. Wright, D. Hands