11.
    发明专利
    未知

    公开(公告)号:DE59508867D1

    公开(公告)日:2000-12-28

    申请号:DE59508867

    申请日:1995-04-25

    Applicant: BASF AG

    Abstract: The prepn. of 1-(Hetero)aryl-3-hydroxy-pyrazoles of formula (I) comprises mixing propiolic acid esters of formula R1C IDENTICAL CCOOR' (II) with (hetero)arylhydrazine derivs. of formula RNHNH2 (III) in an inert solvent; and then treating with a base at 0-60 degrees C. R = opt. substd. aromatic or heteroaromatic; n = 0, 1 or 2; R1 = a gp. which is stable under the reaction conditions; R' = alkyl, cycloalkyl or aryl.

    13.
    发明专利
    未知

    公开(公告)号:DE59604480D1

    公开(公告)日:2000-03-30

    申请号:DE59604480

    申请日:1996-07-23

    Applicant: BASF AG

    Abstract: Polymers and oligomers of formula (I), based on unsatd. 2-10C hydrocarbons and with one or two 2-oxazolinyl terminal gps., in which A = polymer or oligomer residue derived from the unsatd. hydrocarbon (A'), and R = H, 1-10C alkyl, 6-10C aryl or 3-6C cycloalkyl. Also claimed are (i) comb polymers (II) obtd. by cationic ring-opening homo- or co-polymerisation of (I); (ii) comb polymers (III) obtd. by reacting (I) with base polymers contg. reactive gps.; (iii) thermoplastic moulding materials or thermosets contg. (I), (II) or (III) or mixts. thereof; (iv) a process for the prodn. of (I) by polymerisation or oligomerisation of (A'), modification with one or two terminal ester gps., and Lewis acid-catalysed ring closure with 2-amino-1- alcohols; (v) processes for the prodn. of (II) and (III) under the above conditions; (vi) films, fibres and mouldings obtd. from the materials claimed in (iii).

    14.
    发明专利
    未知

    公开(公告)号:DE50105454D1

    公开(公告)日:2005-04-07

    申请号:DE50105454

    申请日:2001-09-19

    Applicant: BASF AG

    Abstract: A process is provided for the preparation of cyclohexene derivatives of general formula I or II:in which the substituents R and R independently of one another are defined as follows:R isR is OH or a protective group convertible to a hydroxyl group by hydrolysis;R and R are hydrogen or C1-C4-alkyl; andR is hydrogen or C1-C4-acyl,by the reduction of alkyne compounds of general formula III or IV:in which the substituents R and X are as defined above, wherein the reducing agent used is a mixture of zinc and at least one compound B selected from the group consisting of ammonium salts, copper salts and alkali metal and alkaline earth metal salts.

    19.
    发明专利
    未知

    公开(公告)号:DE59806322D1

    公开(公告)日:2003-01-02

    申请号:DE59806322

    申请日:1998-07-13

    Applicant: BASF AG

    Abstract: A solid (I) containing aluminIum oxide (Al2O3) is claimed, which is obtained by a process comprising contacting Al2O3 precursor(s) (II) with template compound(s) in a liquid medium, in which the template is a dendrimeric molecular nano-system (III) or mixture of 2 or more of these. Also claimed are: (i) the method of producing (I) in this way; and (ii) the use of (III) as template in the production of (I). Preferably The nano-system contains a nitrogen (N), phosphorus (P) or carbon (C) atom or a mixture of 2 or more of these as branch point. (I) also contains element(s) selected from sodium, potassium, calcium, magnesium, beryllium, boron, gallium, indium, silicon, germanium, tin, lead, bismuth, titanium, zirconium, hafnium, vanadium, niobium, tantalum, chromium, molybdenum, tungsten, manganese, rhenium, iron, cobalt, nickel, ruthenium, copper, zinc, cadmium, mercury and cerium.

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