CHIRAL COMPOUND
    1.
    发明专利

    公开(公告)号:JPH1081690A

    公开(公告)日:1998-03-31

    申请号:JP14515597

    申请日:1997-06-03

    Applicant: BASF AG

    Abstract: PROBLEM TO BE SOLVED: To obtain the subject new compound capable of being used as a catalyst for enantiomeric selective hydrogenation by a simple method. SOLUTION: A chiral compound of formula I [M is an element selected from titanium, zirconium, hafnium, etc.; X is F, Cl, Br, I, H, a 1-10C alkyl, etc.; R -R are each H, a (1-10C alkyl-substituted) five to seven-membered cycloalkyl, etc.; R is Ge, Sn, O, S, etc.; R , R are each a 1-10C alkyl, a 6-15C aryl, etc.; (n) is a number obtained by subtracting 2 from the atomic valency of the M], e.g. a compound of formula II. The compound of formula I is obtained by reacting a suitably substituted cyclopentadienyl with compounds of the formulas: R Z2 and MXn (Z is F, Cl, Br, I) and subsequently reacting the reaction product with a compound of formula III (R is H, an alkali metal, etc.). Thereby, the active catalyst component used for enantiomeric selective hydrogenation can be obtained by the simple method.

    8.
    发明专利
    未知

    公开(公告)号:DE19622271A1

    公开(公告)日:1997-12-04

    申请号:DE19622271

    申请日:1996-06-03

    Applicant: BASF AG

    Abstract: Chiral compounds of formula (I) are new. M = Ti, Zr, Hf, V, Nb, Ta or a lanthanide element; X = halo, H, 1-10C alkyl, 6-15C aryl, 1-10C alkyl-(6-20C)-aryl, OR or NR R ; R , R = 1-10C alkyl, 6-15C aryl, alkylaryl, arylalkyl, fluoroalkyl or fluoroaryl with 1-10C in the alkyl group and 6-20C in the aryl group; R -R = H, 1-10C alkyl, 5-7-membered cycloalkyl optionally substituted by 1-10C alkyl, 6-15C aryl or arylalkyl, or Si(R )3; and 2 adjacent groups may form a 4-15C optionally saturated cyclic group; R = 1-10C alkyl, 3-10C cycloalkyl or 6-15C aryl; R = M )R , M )(R )-M )(R )-, M )(R )-C(R )2, C(R )(R ), OM )(R ), C(R )(R )C(R )(R ), =BR , =AlR , Ge, Sn, O, S, =SO, =SO2, =NR , =CO, =PR or =P(O)R ; R -R = H, halo, 1-10C (fluoro)alkyl, 6-10C (fluoro)aryl, 1-10C alkoxy, 2-10C alkenyl, 7-40C arylalkyl, 8-40C arylalkyl or 7-40C alkylaryl or 2 adjacent groups complete a ring; M = Si, Ge or Sn; A = B, Al, Ga, In, Tl, N, P, As, Sb or Bi; R , R = 1-10C alkyl, 6-15C aryl, 5-7-membered cycloalkyl (optionally substituted by 1-10C alkyl or groups containing heteroatoms), (CR R )mOR , (CR R )mSR or CR R ; or R +R = a 4-20C optionally saturated cyclic group, (optionally substituted by 1-10C alkyl, 6-15C aryl, heteroatoms or groups containing heteroatoms); R -R = H, 1-10C alkyl, 3-10C cycloalkyl or 6-15C aryl; R , R = 3-10C cycloalkyl, 6-15C aryl or groups containing heteroatoms; m = 1-4; n = the valency of M minus 2. Also claimed is the enantioselective hydrogenation of imines in solution, using (I) as active catalyst component.

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