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    • 7. 发明授权
    • Stilbene compounds use in anionic polymerization
    • 苯乙烯化合物在阴离子聚合中的应用
    • US5081251A
    • 1992-01-14
    • US404206
    • 1989-09-07
    • Dietmar BenderKlaus Bronstert
    • Dietmar BenderKlaus Bronstert
    • C07D215/04C07C1/32C07C13/48C07C15/52C07C15/58C07C15/60C07C41/18C07C43/215C07C211/48C07D213/16C07D215/12C07D215/14C08C19/44C08F4/42C08F4/46C08F297/02C09B57/00
    • C07C43/215C07C13/48C07C15/52C07C15/58C07C211/48C07D213/16C08C19/44C08F4/46C07C2102/10
    • Stilbene compounds of the general formula Ia, Ib or IcR.sup.1 R.sup.2 R.sup.3 Ar.sup.1 --CH.dbd.CH--Ar.sup.3 R.sup.4 R.sup.5 R.sup.6 (Ia)R.sup.1 R.sup.2 R.sup.3 Ar.sup.1 --CH.dbd.CH--Ar.sup.2 R.sup.4 R.sup.5 R.sup.6 --CH.dbd.CH--Ar.sup.3 R.sup.7 R.sup.8 R.sup.9 (Ib)R.sup.1 R.sup.2 R.sup.3 Ar.sup.1 --CH.dbd.CH--Ar.sup.2 (CH.sub.2).sub.n Ar.sup.3 --CH.dbd.CH--Ar.sup.4 R.sup.4 R.sup.5 R.sup.6 (Ic)where Ar.sup.1 to Ar.sup.4 are identical or different aromatic or quasi-aromatic radicals and n is from 0 to 20 and where either at least one of the radicals R.sup.1 to R.sup.6 or R.sup.9 is hydrocarbon-solubilizing alkyl, alkoxy, dialkylamino or diarylamino of 4 or more carbon atoms in the alkyl moiety or, if formula Ic contains no radicals R.sup.1 to R.sup.6, n is not less than 4, are prepared by metalating a toluene/xylene analog R.sup.1 R.sup.2 R.sup.3 ArCH.sub.3 or H.sub.3 CR.sup.4 R.sup.5 R.sup.6 ArCH.sub.3 with an appropriate aldehyde Ar-CHO or dialdehyde OHC-Ar-CHO to form correspondingly substituted metal mono- or dialcoholates which are hydrolyzed/solvolyzed and dehydrated or pyrolyzed, and are used for preparing bifunctional initiators for anionic polymerization.
    • 通式Ia,Ib或Ic的二苯乙烯化合物R1R2R3Ar1-CH = CH-Ar3R4R5R6(Ia)R1R2R3Ar1-CH = CH-Ar2R4R5R6-CH = CH-Ar3R7R8R9(Ib)R1R2R3Ar1-CH = CH-Ar2(CH2)nAr3-CH = CH-Ar 4 R 4 R 5 R 6(Ic)其中Ar 1至Ar 4是相同或不同的芳族或准芳族基,n为0至20,并且其中基团R 1至R 6或R 9中​​的至少一个为烃溶解性烷基,烷氧基, 如果式Ic不含R 1至R 6基团,n不小于4,则通过用合适的醛Ar-金属化甲苯/二甲苯类似物R1R2R3ArCH3或H3CR4R5R6ArCH3制备二烷基氨基或二芳基氨基, CHO或二醛OHC-Ar-CHO形成相应取代的水解/溶剂分解和脱水或热解的金属单或二醇化物,并用于制备用于阴离子聚合的双功能引发剂。