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    • 84. 发明授权
    • Bis(phosphinozlkoxy)biaryl compounds and a process for their preparation
    • 双(膦酰基烷氧基)联芳基化合物及其制备方法
    • US5498797A
    • 1996-03-12
    • US338033
    • 1994-11-14
    • Dieter RegnatHans-Jerg Kleiner
    • Dieter RegnatHans-Jerg Kleiner
    • C07F9/50C07F9/53C07F9/02
    • C07F9/5004C07F9/5304
    • The present invention relates to phosphorus compounds of the formula ##STR1## in the (RS), (R) and (S) forms, in which Ar.sup.1 --Ar.sup.1 is a bipheny1 radical, 1-phenylnaphthyl radical or 1,1'-binaphthyl radical, each R', if present, independently of the others, is F, an alkyl or alkoxy radical each having 1 to 8 carbon atoms, m is an integer from 0 to 4, k is an integer from I to 4, Ar.sup.2 is a phenyl radical, each R", if present, is, independently of the others, F, Cl, CF.sub.3, SO.sub.3 H, SO.sub.3, SO.sub.3 Me (Me is Li, Na, K), a dialkylamino radical having 2 to 8 carbon atoms, an alkyl or alkoxy radical each having 1 to 8 carbon atoms and n is an integer from 0 to 5, and to a process for their preparation.
    • 本发明涉及(RS),(R)和(S)形式的式(I)的磷化合物,其中Ar1-Ar1是联苯基,1-苯基萘基或1,1' - 联萘基,如果存在,每个R'独立地为F,每个具有1至8个碳原子的烷基或烷氧基,m为0至4的整数,k为I至4的整数, Ar 2是苯基,如果存在,每个R“独立地是F,Cl,CF 3,SO 3 H,SO 3,SO 3 Me(Me是Li,Na,K),具有2至8个碳的二烷基氨基 原子,各自具有1至8个碳原子的烷基或烷氧基,n为0至5的整数,以及其制备方法。
    • 90. 发明授权
    • Process for the preparation of alkyl alkenylphosphinates
    • 烯基亚磷酸烷基酯的制备方法
    • US4960919A
    • 1990-10-02
    • US311527
    • 1989-02-16
    • Hans-Jerg KleinerGunter Roscher
    • Hans-Jerg KleinerGunter Roscher
    • C07B61/00B01J31/02C07F9/32
    • C07F9/3217
    • A process for the preparation of alkyl esters of alkenylphosphinic acid, having the general formula I ##STR1## wherein R.sup.1 represents H or CH.sub.3, R.sup.2 alkyl having from 1 to 4 carbon atoms or phenyl and R.sup.3 alkyl having from 1 to 8 carbon atoms, which comprises cleaving an alkyl ester of 2-acetoxyethyl phosphinic acid, having the general formula II ##STR2## wherein R.sup.1, R.sup.2 and R.sup.3 have the meaning indicated above, in contact with a liquid catalytically acting medium and at a partial pressure of the total of the components of the reaction system in the range of from 1 to 500 mbar, and drawing off the resulting alkyl esters of alkenyl phosphinic acid and other volatile reaction products.The invention also relates to compounds of the formula I ##STR3## wherein (a) R.sup.1 represents H, R.sup.2 represents alkyl having from 1 to 4 carbon atoms or phenyl and R.sup.3 represents isobutyl or alkyl having from 5 to 8 carbon atoms, or(b) R.sup.1 represents CH.sub.3, R.sup.2 represents alkyl having from 1 to 4 carbon atoms or phenyl and R.sup.3 represents alkyl having from 1 to 8 carbon atoms.
    • 制备具有通式I(I)的烯基次膦酸的烷基酯的方法,其中R 1表示H或CH 3,具有1至4个碳原子的R 2烷基或具有1至8个碳的R 3烷基 原子,其包括裂解2-乙酰氧基乙基次膦酸的烷基酯,具有通式II(II)其中R1,R2和R3具有上述含义,与液体催化作用介质接触,并且部分地 将反应体系的组分的总量的压力在1至500毫巴范围内,并抽出所得的链烯基次膦酸和其它挥发性反应产物的烷基酯。 本发明还涉及式I的化合物(I),其中(a)R 1表示H,R 2表示具有1至4个碳原子的烷基或苯基,R 3表示异丁基或具有5至8个碳原子的烷基, 或(b)R 1表示CH 3,R 2表示具有1至4个碳原子的烷基或苯基,R 3表示具有1至8个碳原子的烷基。