ES452132A1 - A procedure for preparing 2-azetidinone compounds. (Machine-translation by Google Translate, not legally binding) - Google Patents

A procedure for preparing 2-azetidinone compounds. (Machine-translation by Google Translate, not legally binding)

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Publication number
ES452132A1
ES452132A1 ES452132A ES452132A ES452132A1 ES 452132 A1 ES452132 A1 ES 452132A1 ES 452132 A ES452132 A ES 452132A ES 452132 A ES452132 A ES 452132A ES 452132 A1 ES452132 A1 ES 452132A1
Authority
ES
Spain
Prior art keywords
formula
translation
preparing
procedure
machine
Prior art date
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.)
Expired
Application number
ES452132A
Other languages
Spanish (es)
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.)
Fujisawa Pharmaceutical Co Ltd
Original Assignee
Fujisawa Pharmaceutical Co Ltd
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 GB40893/75A external-priority patent/GB1570278A/en
Application filed by Fujisawa Pharmaceutical Co Ltd filed Critical Fujisawa Pharmaceutical Co Ltd
Publication of ES452132A1 publication Critical patent/ES452132A1/en
Expired legal-status Critical Current

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  • Plural Heterocyclic Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

A procedure for preparing 2-azetidinone compounds of the formula **(See formula)** where R1 is amino, substituted amino, substituted hydroxyl; azido or halogen, R2 is hydrogen, hydrozimethyl, aralkoxyiminomethyl, aryl, aralkenyl, formyl, carboxyl or a nucleophilic residue, and R3 is an organic residue bearing carboxyl or its derivative, which comprises reacting the compound of formula: (CH2 = N-R3) n with a compound of the formula: r1'CH2cooh or its reactive derivative, in the presence of Lewis acid and base, to give a compound of the formula: **(See formula)** being, in the above formulas, R1'protected amino, substituted hydroxyl, azido or halogen, n an integer from one to three, and R3 as defined above. (Machine-translation by Google Translate, not legally binding)
ES452132A 1975-10-06 1976-10-06 A procedure for preparing 2-azetidinone compounds. (Machine-translation by Google Translate, not legally binding) Expired ES452132A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB40893/75A GB1570278A (en) 1975-10-06 1975-10-06 O-substituted-2-azetidinone derivatives and the preparation thereof
GB9476 1976-01-02
GB24276 1976-01-05
GB2150776 1976-05-25

Publications (1)

Publication Number Publication Date
ES452132A1 true ES452132A1 (en) 1977-12-16

Family

ID=27447077

Family Applications (2)

Application Number Title Priority Date Filing Date
ES452132A Expired ES452132A1 (en) 1975-10-06 1976-10-06 A procedure for preparing 2-azetidinone compounds. (Machine-translation by Google Translate, not legally binding)
ES471792A Expired ES471792A1 (en) 1975-10-06 1978-07-17 A procedure for preparing a compound of 2-azetidinone (Machine-translation by Google Translate, not legally binding)

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES471792A Expired ES471792A1 (en) 1975-10-06 1978-07-17 A procedure for preparing a compound of 2-azetidinone (Machine-translation by Google Translate, not legally binding)

Country Status (1)

Country Link
ES (2) ES452132A1 (en)

Also Published As

Publication number Publication date
ES471792A1 (en) 1979-10-16

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