1.
    发明专利
    未知

    公开(公告)号:CH594605A5

    公开(公告)日:1978-01-13

    申请号:CH1189573

    申请日:1973-08-17

    Applicant: HOECHST AG

    Abstract: A complexing agent for metal ions, preferably alkaline earth metal ions, which has the general formula III Y ¦ HN-Z ¦¦ (III) HO-C---CH ¦¦ XOOCCOOX wherein Z is one of the groups -CR3R4-COOX ¦H ¦¦ HC---C-OH ¦¦ XOOCCOOX or R5 ¦ -Cp-H2p-NOH ANGLE CH-CH ANGLE XOOCCOOX wherein, if Z stands for the group ¦ HC--CH-OH ¦¦ XOOCCOOX Y represents hydrogen or methyl and for all the other variants of Z, Y is hydrogen, methyl or lower alkyl or hydroxyalkyl and wherein X is hydrogen or an alkali metal and R3 and R4 independently from each other representing hydrogen, lower alkyl or hydroxyalkyl and R4 furthermore representing the radical -(CH2)m-COOX, m being 1 to 4 and X having the above meaning, R5 representing hydrogen or methyl, and p being 2 or 3, and a process for preparing it.

    4.
    发明专利
    未知

    公开(公告)号:DE2319043A1

    公开(公告)日:1974-10-31

    申请号:DE2319043

    申请日:1973-04-14

    Applicant: HOECHST AG

    Abstract: A process is provided for the catalytic preparation of bis-(hydroxymethyl)-methylphosphine oxide, which comprises mixing tris-(hydroxymethyl)-phosphine with at least 1 weight % of carbon tetrachloride or carbon tetrabromide at temperatures of from -10 DEG to +120 DEG C, and, after completed reaction, isolating the bis-(hydroxymethyl)-methylphosphine oxide so obtained by distilling off the carbon tetrahalide.

    Tertiary phosphine oxides - as insecticides fungicides - flame retardants and corrosion inhibitors

    公开(公告)号:DE2133795A1

    公开(公告)日:1973-01-25

    申请号:DE2133795

    申请日:1971-07-07

    Applicant: HOECHST AG

    Abstract: Cpds. (I):- (where R and R' are alkyl or cycloalkyl (up to 12C); R2 is H, 1-4c alkyl 3-8C cycloalkyl, each opt. substd. by OH, alkoxy, acyloxy; R3 is H, 1-5C alkyl, hydroxy-, alkoxy-, or acyloxy-alkyl; R4 is H or 1-4C alkyl; a is 0-4, Z is 1-4C-alkyl; 3-8C cycloalkyl each substd. by at least 1OH, alkoxy, alkylthio, acyloxy, two substituent may be joined to form a ring as Z is OR5 or NR6R7, R5 is 1-4C alkyl, alkanoyl, or carbamoyl and (when a is 1-4) H; R6 is H, 1-4C alkyl, alkanoyl, alkoxy carbonyl; R7 is H or 1-4C alkyl or NR6R7 is a 4-7 membered heterocyclic ring) are prepd. from RR'P(O)H and an olefin R2-CH=C R3-(CHR4)a-Z in the presence of a free radical catalyst or UV light at 50-250 degrees C. Thus Me2P(O)H and allyl alcohol in the presence of azo-bis-isobutyronitrile gave Me2P(O(CH2)3OH.

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