Patents by Inventor Sukumar Manna

Sukumar Manna 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).

  • Preparation of quinoline-substituted carbonate and carbamate derivatives
    Patent number: 7074932
    Abstract: The invention relates to a process for preparing quinoline-substituted carbonate and carbamate compounds, which are important intermediates in the synthesis of 6-O-substituted macrolide antibiotics. The process employs metal-catalyzed coupling reactions to provide a carbonate or carbamate of formula (I) or (II) or a substrate that can be reduced to obtain the same.
    Type: Grant
    Filed: May 7, 2003
    Date of Patent: July 11, 2006
    Inventors: Michael S. Allen, Ramiya H. Premchandran, Sou-Jen Chang, Stephen Condon, John A. DeMattei, Steven A. King, Lawrence Kolaczkowski, Sukumar Manna, Paul J. Nichols, Hemant H. Patel, Subhash R. Patel, Daniel J. Plata, Eric J. Stoner, Jien-Heh J. Tien, Steven J. Wittenberger
  • Preparation of quinoline-substituted carbonate and carbamate derivatives
    Publication number: 20060128962
    Abstract: The invention relates to a process for preparing quinoline-substituted carbonate and carbamate compounds, which are important intermediates in the synthesis of 6-O-substituted macrolide antibiotics. The process employs metal-catalyzed coupling reactions to provide a carbonate or carbamate of formula (I) or (II) or a substrate that can be reduced to obtain the same.
    Type: Application
    Filed: February 6, 2006
    Publication date: June 15, 2006
    Inventors: Michael Allen, Ramiya Premchandran, Sou-Jen Chang, Stephen Condon, John DeMattei, Steven King, Lawrence Kolaczkowski, Sukumar Manna, Paul Nichols, Hemant Patel, Subhash Patel, Daniel Plata, Eric Stoner, Jien-Heh Tien, Steven Wittenberger
  • Preparation of quinoline-substituted carbonate and carbamate derivatives
    Publication number: 20030199696
    Abstract: The invention relates to a process for preparing quinoline-substituted carbonate and carbamate compounds, which are important intermediates in the synthesis of 6-O-substituted macrolide antibiotics. The process employs metal-catalyzed coupling reactions to provide a carbonate or carbamate of formula (I) or (II) or a substrate that can be reduced to obtain the same.
    Type: Application
    Filed: May 7, 2003
    Publication date: October 23, 2003
    Inventors: Michael S. Allen, Ramiya H. Premchandran, Sou-Jen Chang, Stephen Condon, John A. DeMattei, Steven A. King, Lawrence Kolaczkowski, Sukumar Manna, Paul J. Nichols, Hemant H. Patel, Subhash R. Patel, Daniel J. Plata, Eric J. Stoner, Jien-Heh J. Tien, Steven J. Wittenberger
  • Preparation of quinoline-substituted carbonate and carbamate derivatives
    Patent number: 6579986
    Abstract: The invention relates to a process for preparing quinoline-substituted carbonate and carbamate compounds, which are important intermediates in the synthesis of 6-O-substituted macrolide antibiotics. The process employs metal-catalyzed coupling reactions to provide a carbonate or carbamate of formula (I) or (II) or a substrate that can be reduced to obtain the same.
    Type: Grant
    Filed: April 29, 2002
    Date of Patent: June 17, 2003
    Assignee: Abbott Laboratories
    Inventors: Michael S. Allen, Ramiya H. Premchandran, Sou-Jen Chang, Stephen Condon, John A. DeMattei, Steven A. King, Lawrence Kolaczkowski, Sukumar Manna, Paul J. Nichols, Hemant H. Patel, Subhash R. Patel, Daniel J. Plata, Eric J. Stoner, Jien-Heh J. Tien, Steven J. Wittenberger
  • Process for the preparation of substituted pyrrolidine neuraminidase inhibitors
    Publication number: 20030055297
    Abstract: A process for the preparation of neuraminidase inhibitors having structural formula (28) 1
    Type: Application
    Filed: April 3, 2002
    Publication date: March 20, 2003
    Inventors: Steven J. Wittenberger, Lakshmi Bhagavatula, David A. DeGoey, John DeMattei, Ashok K. Gupta, David R. Hill, Sukumar Manna, Maureen Ann McLaughlin, Paul J. Nichols, Premchandran H. Ramiya, Michael W. Rasmussen, Zhenping Tian
  • Preparation of quinoline-substituted carbonate and carbamate derivatives
    Publication number: 20020165390
    Abstract: The invention relates to a process for preparing quinoline-substituted carbonate and carbamate compounds, which are important intermediates in the synthesis of 6-O-substituted macrolide antibiotics. The process employs metal-catalyzed coupling reactions to provide a carbonate or carbamate of formula (I) or (II) or a substrate that can be reduced to obtain the same.
    Type: Application
    Filed: April 29, 2002
    Publication date: November 7, 2002
    Inventors: Michael S. Allen, Ramiya H. Premchandran, Sou-Jen Chang, Stephen Condon, John A. DeMattei, Steven A. King, Lawrence Kolaczkowski, Sukumar Manna, Paul J. Nichols, Hemant H. Patel, Subhash R. Patel, Daniel J. Plata, Eric J. Stoner, Jien-Heh J. Tien, Steven J. Wittenberger
  • Preparation of quinoline-substituted carbonate and carbamate derivatives
    Patent number: 6417366
    Abstract: The invention relates to a process for preparing quinoline-substituted carbonate and carbamate compounds, which are important intermediates in the synthesis of 6-O-substituted macrolide antibiotics. The process employs metal-catalyzed coupling reactions to provide a carbonate or carbamate of formula (I) or (II) or a substrate that can be reduced to obtain the same.
    Type: Grant
    Filed: March 3, 2000
    Date of Patent: July 9, 2002
    Assignee: Abbott Laboratories
    Inventors: Michael S. Allen, Ramiya H. Premchandran, Sou-Jen Chang, Stephen Condon, John A. DeMattei, Steven A. King, Lawrence Kolaczkowski, Sukumar Manna, Paul J. Nichols, Hemant H. Patel, Subhash R. Patel, Daniel J. Plata, Eric J. Stoner, Jien-Heh J. Tien, Steven J. Wittenberger
  • Preparation of quinoline-substituted carbonate and carbamate derivatives
    Publication number: 20020013468
    Abstract: The invention relates to a process for preparing quinoline-substituted carbonate and carbamate compounds, which are important intermediates in the synthesis of 6-O-substituted macrolide antibiotics. The process employs metal-catalyzed coupling reactions to provide a carbonate or carbamate of formula (I) or (II) or a substrate that can be reduced to obtain the same.
    Type: Application
    Filed: March 3, 2000
    Publication date: January 31, 2002
    Inventors: Michael S. Allen, Ramiya H. Premchandran, Sou-Jen Chang, Stephen Condon, John A. DeMattei, Steven A. King, Lawrence Kolaczkowski, Sukumar Manna, Paul Nichols, Hermant H. Patel, Subhash R. Patel, Daniel J. Plata, Eric J. Stoner, Jien-Heh J. Tien, Steven J. Wittenberger