SULFONYL DERIVATIVES OF ERYTHROMYCIN

    公开(公告)号:CA1022168A

    公开(公告)日:1977-12-06

    申请号:CA198886

    申请日:1974-05-03

    Applicant: ABBOTT LAB

    Abstract: 1467296 Erythromycin derivatives ABBOTT LABORATORIES 1 May 1974 [4 May 1973] 19163/74 Heading C2C Novel erythromycin derivatives of the general formula wherein R is a C 1-6 alkyl, C 2-6 alkenyl, or optionally nuclear substituted aryl, benzyl or aroxyalkyl group, R 1 is a hydrogen atom or methyl group, R 2 is a hydrogen atom or C 1-6 alkanoyl group and R 3 is a hydrogen atom or hydroxyl group, provided that R 1 and R 3 are not simultaneously a hydrogen atom and the nuclear substituent is nitro, alkyl or halogen are prepared by reacting the corresponding compound in which the -OSO 2 R group is replaced by -OH with RSO 2 Cl (when R is vinyl in the product, R may be 2-bromoethyl in the starting material), followed optionally by hydrolysis or alcoholysis when R 2 is a C 1-6 alkanoyl group to give the corresponding product wherein R 2 is a hydrogen atom. Pharmaceutical compositions having antibiotic activity comprise, as active ingredient, an erythromycin derivative of the above general formula, together with an appropriate carrier.

Patent Agency Ranking