ES432351A2 - A procedure for the preparation of aciled derivatives of an antibiotic ws-4545. (Machine-translation by Google Translate, not legally binding) - Google Patents

A procedure for the preparation of aciled derivatives of an antibiotic ws-4545. (Machine-translation by Google Translate, not legally binding)

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Publication number
ES432351A2
ES432351A2 ES432351A ES432351A ES432351A2 ES 432351 A2 ES432351 A2 ES 432351A2 ES 432351 A ES432351 A ES 432351A ES 432351 A ES432351 A ES 432351A ES 432351 A2 ES432351 A2 ES 432351A2
Authority
ES
Spain
Prior art keywords
antibiotic
translation
derivatives
procedure
preparation
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
ES432351A
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
Application filed by Fujisawa Pharmaceutical Co Ltd filed Critical Fujisawa Pharmaceutical Co Ltd
Priority to ES432351A priority Critical patent/ES432351A2/en
Publication of ES432351A2 publication Critical patent/ES432351A2/en
Expired legal-status Critical Current

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Abstract

Improvements introduced in the object of Patent No. 420213 by: A PROCEDURE FOR THE PREPARATION OF ACILATED DERIVATIVES OF AN ANTIBIOTIC WS-4545, consisting of a process for the production of compounds of the general formula: **(See formula)** where R1 is acyl and each of the radicals R2 and R3 are selected from the group consisting of hydrogen and one acyl group, where the acyls are selected from the group consisting of alkanoyl interrupted by a sulfur atom, from 2 to 10 atoms of carbon, alkenoyl of 2 to 10 carbon atoms, 3-methoxycarbonylpropionyl, 2- (3,4, 5-trimethoxy) phenyl-acetyl, 3,4,5-trimethoxybenzoyl, phenylacetyl, p-nitrobenzoyl, phenoxyacetyl, thienylacetyl and tetrahydro- 2-tenoyl, whose process is characterized by reacting a compound of the formula: **(See formula)** with an acylating agent of formula R-OH, where R is an acyl group and the acyl group is as described above. (Machine-translation by Google Translate, not legally binding)
ES432351A 1974-11-27 1974-11-27 A procedure for the preparation of aciled derivatives of an antibiotic ws-4545. (Machine-translation by Google Translate, not legally binding) Expired ES432351A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES432351A ES432351A2 (en) 1974-11-27 1974-11-27 A procedure for the preparation of aciled derivatives of an antibiotic ws-4545. (Machine-translation by Google Translate, not legally binding)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES432351A ES432351A2 (en) 1974-11-27 1974-11-27 A procedure for the preparation of aciled derivatives of an antibiotic ws-4545. (Machine-translation by Google Translate, not legally binding)

Publications (1)

Publication Number Publication Date
ES432351A2 true ES432351A2 (en) 1977-07-01

Family

ID=8468080

Family Applications (1)

Application Number Title Priority Date Filing Date
ES432351A Expired ES432351A2 (en) 1974-11-27 1974-11-27 A procedure for the preparation of aciled derivatives of an antibiotic ws-4545. (Machine-translation by Google Translate, not legally binding)

Country Status (1)

Country Link
ES (1) ES432351A2 (en)

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