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    • 6. 发明授权
    • Method for the carbonylation of pentenoic acid and its derivatives thereof
    • 戊烯酸及其衍生物的羰基化方法
    • US06844463B2
    • 2005-01-18
    • US10433034
    • 2001-12-03
    • Michael SlanyMartin SchäferMichael Röper
    • Michael SlanyMartin SchäferMichael Röper
    • C07B61/00C07C51/14C07C67/38C07C69/44C07C253/30C07C255/19C07C255/00C07C57/02C07C69/34
    • C07C253/30C07C51/14C07C67/38C07C55/02C07C69/44
    • Process for the carbonylation of n-pentenoic acid or its derivatives of the formula (I) C4H7—R1  (I) where R1 is —CN or COOR2 where R2 is hydrogen, alkyl or aryl by reaction of a compound of the formula (I) with carbon monoxide and a compound (II) containing a hydroxyl group in the presence of a catalyst system, wherein the catalyst system is obtainable by reaction of a) a source for a metal ion of a metal (III) of the 8th subgroup of the Periodic Table of the Elements with b) a bidentate phosphine ligand of the formula (IV) (R3R4R5C)(R6R7R8C)P-L1-X-L2-P(CR9R10R11) (CR12R13R14)  (IV) where R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14 independently of one another is an organic radical which in each case contains a carbon atom, via which the respective radical is linked to the relevant tertiary carbon atom mentioned in formula (IV); L1, L2 independently of one another are a lower alkylene group; X is an arylene group.
    • 羰基化式(I)的正戊烯酸或其衍生物的方法,其中R 1是-CN或COOR 2,其中R 2是氢,烷基或芳基,通过式 (I)与一氧化碳和含有羟基的化合物(II)在催化剂体系的存在下反应,其中催化剂体系可通过以下方法获得:a)第8族金属(III)的金属离子源 的元素周期表b)一种式(Ⅳ)的二齿膦配体,其中R 3,R 4,R 5,R 6,R 7,R 8,R 8, R 9,R 10,R 11,R 12,R 13,R 14彼此独立地是有机基团,其在每种情况下均含有碳原子,通过该有机基团,各自的基团 与式(IV)中所述的相关叔碳原子连接; L 1,L 2彼此独立地为低级亚烷基; X为亚芳基。