13.
    发明专利
    未知

    公开(公告)号:DE1768542A1

    公开(公告)日:1971-10-28

    申请号:DE1768542

    申请日:1968-05-24

    Applicant: BASF AG

    Abstract: 1,262,589. 1,4 - Oxathiin - carboxamides. BADISCHE ANILIN- & SODA-FABRIK A.G. 23 May, 1969 [24 May, 1968], No. 26412/69. Heading C2C. Novel 1,4-oxathiins of the formula in which n is 0 or 1 and R represents a C 7-15 bicycloaliphatic, tricycloaliphatic or tetracycloaliphatic radical are obtained by reacting 2,3-dihydro - 6 - methyl - 1,4 - oxathiin - 5- carboxylic acid chloride with the appropriate polycycloaliphatic amine, if required in the presence of a base. Specified values of R include bicyclo-heptyl, octyl and nonyl, tricyclo-decyl, undecyl and heptyl and tetracyclo-dodecyl radicals. The oxathiins possess herbicidal properties and are used in the conventional manner for the pre- and post-emergence control of weeds.

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