Patents by Inventor Bhartesh Dhudshia

Bhartesh Dhudshia 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).

  • Methods of preparing primary, secondary and tertiary carbinamine compounds in the presence of ammonia
    Patent number: 8383859
    Abstract: The present application relates to novel methods for the preparation of primary, secondary and tertiary carbinamine compounds, particularly the preparation of compounds of formulae I, IV and VI, from a carbonyl compound of formula II in the presence of ammonia or an ammonium equivalent of the formula NH4+X?, by way of allylation, crotylation, arylation, reductive amination and catalytic hydrogenation.
    Type: Grant
    Filed: March 28, 2008
    Date of Patent: February 26, 2013
    Inventors: Avinash N. Thadani, Bhartesh Dhudshia
  • Methods of preparing secondary carbinamine compounds with boronic acids
    Patent number: 8350047
    Abstract: The present application relates to novel methods for the preparation of secondary carbinamine compounds, particularly the preparation of secondary carbinamine compounds of the formula Ia, formula Ib or formula IV from aldehydes of the formula II and boronic acids of the formula III or formula V, in the presence of ammonia or an ammonia equivalent of the formula NH4+X?.
    Type: Grant
    Filed: March 28, 2008
    Date of Patent: January 8, 2013
    Inventors: Avinash N. Thadani, Bhartesh Dhudshia
  • Methods of preparing tertiary carbinamine compounds
    Patent number: 8143451
    Abstract: The present invention relates to a method for the preparation of tertiary carbinamine compounds from diastereoselective allylation and crotylation of N-unsubstituted imines derived from ketones.
    Type: Grant
    Filed: October 4, 2007
    Date of Patent: March 27, 2012
    Assignee: Kanata Chemical Technologies Inc.
    Inventors: Avinash N. Thadani, Bhartesh Dhudshia
  • METHODS OF PREPARING SECONDARY CARBINAMINE COMPOUNDS WITH BORONIC ACIDS
    Publication number: 20100298572
    Abstract: The present application relates to novel methods for the preparation of secondary carbinamine compounds, particularly the preparation of secondary carbinamine compounds of the formula Ia, formula Ib or formula IV from aldehydes of the formula II and boronic acids of the formula III or formula V, in the presence of ammonia or an ammonia equivalent of the formula NH4+X?.
    Type: Application
    Filed: March 28, 2008
    Publication date: November 25, 2010
    Applicant: PANASONIC CORPORATION
    Inventors: Avinash N. Thadani, Bhartesh Dhudshia
  • METHODS OF PREPARING PRIMARY, SECONDARY AND TERTIARY CARBINAMINE COMPOUNDS IN THE PRESENCE OF AMMONIA
    Publication number: 20100174090
    Abstract: The present application relates to novel methods for the preparation of primary, secondary and tertiary carbinamine compounds, particularly the preparation of compounds of formulae I, IV and VI, from a carbonyl compound of formula II in the presence of ammonia or an ammonium equivalent of the formula NH4+X?, by way of allylation, crotylation, arylation, reductive amination and catalytic hydrogenation.
    Type: Application
    Filed: March 28, 2008
    Publication date: July 8, 2010
    Inventors: Avinash N. Thadani, Bhartesh Dhudshia
  • METHODS OF PREPARING TERTIARY CARBINAMINE COMPOUNDS
    Publication number: 20080139847
    Abstract: The present invention relates to a method for the preparation of tertiary carbinamine compounds from diastereoselective allylation and crotylation of N-unsubstituted imines derived from ketones.
    Type: Application
    Filed: October 4, 2007
    Publication date: June 12, 2008
    Inventors: Avinash N. Thadani, Bhartesh Dhudshia