BIOLOGICALLY ACTIVE COMPOUNDS AND COMPOSITIONS

    公开(公告)号:ZA735210B

    公开(公告)日:1975-03-26

    申请号:ZA735210

    申请日:1973-07-31

    Applicant: WELLCOME FOUND

    Inventor: WOOD H STIRLING I

    Abstract: Novel pteridines of formula (I), wherein R is a lower alkyl group, optionally substituted with a hydroxy group and R1 and R2 are the same or different and each is a lower alkyl group having together at least 3 carbon atoms or R1 and R2, together with the carbon atom in the pteridine ring structure, form a spirocycloalkyl ring system having 4 to 6 carbon atoms outside the pteridine ring structure, and their method of preparation.

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