Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bristol Myers Squibb Co
Original Assignee
Bristol Myers Squibb Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US06/077,886external-prioritypatent/US4282150A/en
Application filed by Bristol Myers Squibb CofiledCriticalBristol Myers Squibb Co
Priority to CA000412517ApriorityCriticalpatent/CA1164004A/fr
Application grantedgrantedCritical
Publication of CA1164004ApublicationCriticalpatent/CA1164004A/fr
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
Y02P20/00—Technologies relating to chemical industry
Y02P20/50—Improvements relating to the production of bulk chemicals
Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
Landscapes
Nitrogen Condensed Heterocyclic Rings
(AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
CA000412517A1978-12-181982-09-29Phosphorane servant d'intermediaire dans la preparation du penem, un antibiotique
ExpiredCA1164004A
(fr)