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the bridge containing only two carbon atoms
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C07D489/12
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CHEMISTRY METALLURGY
C07
Organic chemistry
C07D
HETEROCYCLIC COMPOUNDS
C07D489/00
Heterocyclic compounds containing 4aH-8, 9 c- Iminoethano-phenanthro [4, 5-b, c, d] furan ring systems
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C07D489/12
the bridge containing only two carbon atoms
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Patents Grants
last 30 patents
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Patent Grant
Process for the synthesis of buprenorphine
Patent number
11,905,296
Issue date
Feb 20, 2024
AZAD Pharma AG
Hartmut Zinser
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Lymph directing prodrugs
Patent number
11,738,087
Issue date
Aug 29, 2023
Monash University
Chris Porter
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Preparation of buprenorphine
Patent number
11,390,628
Issue date
Jul 19, 2022
River Stone Biotech LLC
Patrick Roussel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Methods of O-demethylation
Patent number
11,136,331
Issue date
Oct 5, 2021
Cambrex Charles City, Inc.
Par Holmberg
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Dihydroetorphine for the provision of pain relief and anaesthesia
Patent number
10,898,479
Issue date
Jan 26, 2021
Euro-Celtique S.A.
John Watkins
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Acetate salt of buprenorphine and methods for preparing buprenorphine
Patent number
10,874,662
Issue date
Dec 29, 2020
Rhodes Technologies
C. Frederick Huntley
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Acetate salt of buprenorphine and methods for preparing buprenorphine
Patent number
10,835,528
Issue date
Nov 17, 2020
Rhodes Technologies
C. Frederick M. Huntley
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Deuterated compound and medical use thereof
Patent number
10,759,809
Issue date
Sep 1, 2020
TAIZHOU HUAYUAN MEDICINAL TECH CO. LTD.
Bohua Zhong
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Dihydroetorphines and their preparation
Patent number
10,745,406
Issue date
Aug 18, 2020
Euro-Celtique S.A.
Steve Whitelock
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Alpha-hydroxy carboxylic acid and derivatives and other GRAS-based...
Patent number
10,449,190
Issue date
Oct 22, 2019
John K. Thottathil
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Acetate salt of buprenorphine and methods for preparing buprenorphine
Patent number
10,406,152
Issue date
Sep 10, 2019
Rhodes Technologies
C. Frederick M. Huntley
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method of manufacturing buprenorphine and analogues thereof from or...
Patent number
10,391,091
Issue date
Aug 27, 2019
Siegfried AG
Beat Theodor Weber
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of (S)-2-((4R,4aS,6R,7R,7aR,12bS)-7,9-d...
Patent number
10,287,296
Issue date
May 14, 2019
Noramco, Inc.
Wen-Chun Zhang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Acetate salt of buprenorphine and methods for preparing buprenorphine
Patent number
10,278,967
Issue date
May 7, 2019
Rhodes Technologies
C. Frederick M. Huntley
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method of preparing buprenorphine
Patent number
10,208,054
Issue date
Feb 19, 2019
Johnson Matthey Public Limited Company
Nicolas Archer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of manufacturing stereoisomers of buprenorphine and analogue...
Patent number
10,035,807
Issue date
Jul 31, 2018
Siegfried AG
Stefan Sahli
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Orvinol and thevinol derivatives useful in the treatment of drug an...
Patent number
10,030,031
Issue date
Jul 24, 2018
The University of Bath
John Lewis
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
8-carboxamido-2,6-methano-3-benzazocines
Patent number
9,932,349
Issue date
Apr 3, 2018
Rensselaer Polytechnic Institute
Mark P. Wentland
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Acetate salt of buprenorphine and methods for preparing buprenorphine
Patent number
9,926,329
Issue date
Mar 27, 2018
Rhodes Technologies
C. Frederick M. Huntley
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Orvinol and thevinol derivatives useful in the treatment of drug an...
Patent number
9,890,170
Issue date
Feb 13, 2018
The University of Bath
John Lewis
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
7 beta-substituted 6a, 14a-ethenomorphinans and 7beta-substituted 6...
Patent number
9,834,562
Issue date
Dec 5, 2017
Rhodes Technologies
Helge Alfred Reisch
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of treating pain using an acetaminophen dimer ether-linked t...
Patent number
9,782,369
Issue date
Oct 10, 2017
OrphoMed, Inc.
Nikhilesh Nihala Singh
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Buprenorphine dimer and its use in treatment of gastrointestinal di...
Patent number
9,732,096
Issue date
Aug 15, 2017
OrphoMed, Inc.
Nikhilesh Nihala Singh
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for the preparation of opioid compounds
Patent number
9,701,687
Issue date
Jul 11, 2017
Noramco, Inc.
Jessica Cardot
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of opioid compounds
Patent number
9,701,688
Issue date
Jul 11, 2017
Noramco, Inc.
Matteo Conza
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of preparing buprenorphine
Patent number
9,624,231
Issue date
Apr 18, 2017
Johnson Matthey Public Limited Company
Nicolas Archer
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Use of buprenorphine dimer in the treatment of peripheral neuropath...
Patent number
9,549,924
Issue date
Jan 24, 2017
OrphoMed, Inc.
Nikhilesh Nihala Singh
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Dihydroetorphines and their preparation
Patent number
9,481,681
Issue date
Nov 1, 2016
Euro-Celtique S.A.
Steve Whitelock
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Methods of treating pain or fever using pharmaceutically active ace...
Patent number
9,480,665
Issue date
Nov 1, 2016
OrphoMed, Inc.
Nikhilesh Nihala Singh
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Orvinol and thevinol derivatives useful in the treatment of anxiety...
Patent number
9,480,684
Issue date
Nov 1, 2016
The University of Bath
John Lewis
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
LYMPH DIRECTING PRODRUGS
Publication number
20240050573
Publication date
Feb 15, 2024
MONASH UNIVERSITY
Christopher John Porter
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
PROCESS FOR THE SYNTHESIS OF BUPRENORPHINE
Publication number
20230071914
Publication date
Mar 9, 2023
AZAD PHARMA AG
Hartmut ZINSER
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PREPARATION OF BUPRENORPHINE
Publication number
20210380597
Publication date
Dec 9, 2021
Patrick ROUSSEL
C07 - ORGANIC CHEMISTRY
Information
Patent Application
NEW PROCESS
Publication number
20210188862
Publication date
Jun 24, 2021
CAMBREX CHARLES CITY, INC.
Par HOLMBERG
C07 - ORGANIC CHEMISTRY
Information
Patent Application
DIHYDROETORPHINE FOR THE PROVISION OF PAIN RELIEF AND ANAESTHESIA
Publication number
20210085673
Publication date
Mar 25, 2021
Euro-Celtique S.A.
John WATKINS
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ACETATE SALT OF BUPRENORPHINE AND METHODS FOR PREPARING BUPRENORPHINE
Publication number
20210046066
Publication date
Feb 18, 2021
Rhodes Technologies
C. Frederick M. HUNTLEY
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
PROCESS
Publication number
20200392145
Publication date
Dec 17, 2020
Johnson Matthey Public Limited Company
Nicolas ARCHER
C07 - ORGANIC CHEMISTRY
Information
Patent Application
SYSTEMS AND METHOD FOR DETECTION AND TREATMENT OF OPIOID OVERDOSE
Publication number
20200147307
Publication date
May 14, 2020
Steven Yap
C07 - ORGANIC CHEMISTRY
Information
Patent Application
DEUTERATED COMPOUND AND MEDICAL USE THEREOF
Publication number
20190389873
Publication date
Dec 26, 2019
JINGLUWEIDAI INFORMATION CONSULTINGS SERVICE (BEIJING) CO. LTD.
Bohua ZHONG
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
ACETATE SALT OF BUPRENORPHINE AND METHODS FOR PREPARING BUPRENORPHINE
Publication number
20190314364
Publication date
Oct 17, 2019
Rhodes Technologies
C. Frederick M. HUNTLEY
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
ACETATE SALT OF BUPRENORPHINE AND METHODS FOR PREPARING BUPRENORPHINE
Publication number
20190298713
Publication date
Oct 3, 2019
Rhodes Technologies
C. Frederick M. HUNTLEY
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ETHYLENE GLYCOL ETHER OF BUPRENORPHINE
Publication number
20180305370
Publication date
Oct 25, 2018
OrphoMed, Inc.
Nikhilesh Nihala SINGH
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ACETATE SALT OF BUPRENORPHINE AND METHODS FOR PREPARING BUPRENORPHINE
Publication number
20180162866
Publication date
Jun 14, 2018
Rhodes Technologies
C. Frederick M. HUNTLEY
C07 - ORGANIC CHEMISTRY
Information
Patent Application
METHOD OF MANUFACTURING STEREOISOMERS OF BUPRENORPHINE AND ANALOGUE...
Publication number
20180051032
Publication date
Feb 22, 2018
Siegfried AG
Stefan SAHLI
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Orvinol and Thevinol Derivatives Useful in the Treatment of Drug an...
Publication number
20180030062
Publication date
Feb 1, 2018
The University of Bath
John Lewis
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
METHOD OF MANUFACTURING BUPRENORPHINE AND ANALOGUES THEREOF FROM OR...
Publication number
20170319574
Publication date
Nov 9, 2017
Siegfried AG
Beat Theodor WEBER
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Dihydroetorphines and Their Preparation
Publication number
20170267687
Publication date
Sep 21, 2017
Euro-Celtique S.A.
Steve WHITELOCK
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
METHOD OF PREPARING BUPRENORPHINE
Publication number
20170217978
Publication date
Aug 3, 2017
Johnson Matthey Public Limited Company
Nicolas ARCHER
C07 - ORGANIC CHEMISTRY
Information
Patent Application
8-CARBOXAMIDO-2,6-METHANO-3-BENZAZOCINES
Publication number
20170217977
Publication date
Aug 3, 2017
Rensselaer Polytechnic Institute
Mark P. WENTLAND
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ACETATE SALT OF BUPRENORPHINE AND METHODS FOR PREPARING BUPRENORPHINE
Publication number
20170197975
Publication date
Jul 13, 2017
Rhodes Technologies
C. Frederick M. HUNTLEY
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR THE PREPARATION OF (S)-2-((4R,4AS,6R,7R,7AR,12BS)-7,9-D...
Publication number
20170101415
Publication date
Apr 13, 2017
Noramco, Inc.
Wen-Chun Zhang
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Orvinol and Thevinol Derivatives Useful in the Treatment of Drug an...
Publication number
20170044173
Publication date
Feb 16, 2017
The University of Bath
John LEWIS
C07 - ORGANIC CHEMISTRY
Information
Patent Application
7-BETA ANALOGS OF ORVINOLS
Publication number
20160333020
Publication date
Nov 17, 2016
Purdue Pharma LP
Donald J. Kyle
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Oral Pharmaceutical Compositions of Buprenorphine and Another Opioi...
Publication number
20160176890
Publication date
Jun 23, 2016
Relmada Therapeutics, Inc.
Najib BABUL
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
PROCESS FOR N-DEALKYLATION OF TERTIARY AMINES
Publication number
20160159813
Publication date
Jun 9, 2016
Rhodes Technologies
Joshua Robert GIGUERE
C07 - ORGANIC CHEMISTRY
Information
Patent Application
DIHYDROETORPHINES AND THEIR PREPARATION
Publication number
20160115174
Publication date
Apr 28, 2016
Euro-Celtique S.A.
Steve WHITELOCK
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
DIHYDROETORPHINE FOR THE PROVISION OF PAIN RELIEF AND ANAESTHESIA
Publication number
20160106736
Publication date
Apr 21, 2016
Euro-Celtique S.A.
David WATKINS
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
PROCESS FOR PREPARING 7BETA-SUBSTITUTED 6ALPHA,14ALPHA-ETHENOMORPHI...
Publication number
20160068538
Publication date
Mar 10, 2016
Helge Alfred REISCH
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR THE PREPARATION OF OPIOID COMPOUNDS
Publication number
20150315204
Publication date
Nov 5, 2015
Noramco, Inc.
Jessica Cardot
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR THE PREPARATION OF OPIOID COMPOUNDS
Publication number
20150315205
Publication date
Nov 5, 2015
Noramco, Inc.
Matteo Conza
C07 - ORGANIC CHEMISTRY