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    • 32. 发明授权
    • Process for preparing olefins by metathesis of cyclic olefins with
acyclic olefins
    • 通过环烯烃与无环烯烃的复分解制备烯烃的方法
    • US4233230A
    • 1980-11-11
    • US902709
    • 1978-05-04
    • Jean Otton
    • Jean Otton
    • C07C69/025B01J23/00C07B61/00C07C1/00C07C6/02C07C6/04C07C6/06C07C11/02C07C17/26C07C21/19C07C67/00C07C67/48C07C69/007C07C69/145C07C69/52C07C69/587C07C69/593C07C69/602C07C69/732C07C67/343
    • C07C67/293C07C67/343
    • A process for preparing esters and halides is disclosed comprising the step of reacting a cyclic olefin having the formula I ##STR1## wherein R.sub.1 and R.sub.4 are the same or different from each other and each represents hydrogen, methyl, or ethyl;R.sub.2 and R.sub.3 are the same or different from each other and each represents hydrogen or alkyl containing 1 to 5 carbon atoms; andn represents a whole number from 2 to 12, with an acyclic olefin having the formula II ##STR2## wherein R.sub.5 represents hydrogen, methyl, ethyl or the group ##STR3## wherein R.sub.12 and R.sub.13 are the same or different from each other and each represents hydrogen or alkyl containing 1 to 5 carbon atoms;Y represents halogen; an acyloxy group R.sub.14 --CO--O wherein R.sub.14 represents alkyl containing 1-12 carbon atoms, phenyl or phenyl alkyl containing 7-12 carbon atoms, or an oxycarbonyl group R.sub.15 --O--CO wherein R.sub.15 represents alkyl containing 1-12 carbon atoms, phenyl or phenyl alkyl containing 7-12 carbon atoms;p represents a whole number from 1-12 except when Y is an R.sub.14 CO--O group wherein p is from 2 to 12.R.sub.6 and R.sub.7 are the same or different from each other and each represents hydrogen, methyl, or ethyl;R.sub.8 and R.sub.9 are the same or different from each other and each represents hydrogen or alkyl containing 1 to 5 carbon atoms;X represents halogen; an acyloxy group R.sub.10 --CO--O--, wherein R.sub.10 represents alkyl containing 1-12 carbon atoms, phenyl, or phenylalkyl containing 7-12 carbon atoms, or an oxycarbonyl group R.sub.11 --O--CO, wherein R.sub.11 represents alkyl containing 1-12 carbon atoms, phenyl, or phenylalkyl containing 7-12 carbon atoms,m represents a whole number from 1-12 except when X is an R.sub.10 --CO--O-- group wherein m is from 2 to 12 in the presence of a catalytic composition comprising a halogen-tungsten salt and a reducing agent which is an organic tin compound.
    • 公开了一种制备酯和卤化物的方法,其包括使具有式I的环烯烃(I)反应的步骤,其中R 1和R 4彼此相同或不同,并且各自表示氢,甲基或乙基; R2和R3彼此相同或不同,各自表示氢或含有1至5个碳原子的烷基; 和n表示2至12的整数,其中具有式II的无环烯烃(II)其中R5表示氢,甲基,乙基或基团,其中R12和R13各自相同或不同 其它和各自表示氢或含有1至5个碳原子的烷基; Y表示卤素; 酰氧基R14-CO-O,其中R14表示含有1-12个碳原子的烷基,苯基或含有7-12个碳原子的苯基烷基,或氧羰基R15-O-CO,其中R15表示含有1-12个碳原子的烷基, 苯基或含有7-12个碳原子的苯基烷基; p表示1-12的整数,除了Y是R 14 CO-O基团,其中p为2至12.R 6和R 7彼此相同或不同,各自表示氢,甲基或乙基; R8和R9彼此相同或不同,并且各自表示氢或含有1至5个碳原子的烷基; X表示卤素; 酰氧基R 10 -CO-O-,其中R 10表示含有1-12个碳原子的烷基,苯基或含有7-12个碳原子的苯基烷基,或氧羰基R11-O-CO,其中R11表示含1-12个 碳原子,苯基或含有7-12个碳原子的苯基烷基,m表示1-12的整数,除了当X是R 10 -CO-O-基团时,其中m为2至12,在催化组合物存在下,包含 卤钨钨盐和作为有机锡化合物的还原剂。