摘要:
The invention relates to phosphinites I of formulae (1) or (2), in which R1, R2, R5, R6, R7, R8, R9 independently represent hydrogen, an alkyl or alkylene group having 1 to 8 carbon atoms or an alkoxy group having 1 to 8 carbon atoms; R3 is H or methyl; R4 is i-propyl or t-butyl; X is F, Cl or CF3 and n is 1 or 2.
摘要:
Phosphinites I of the formula 1, 2 or 3 where R1, R2, R4 are each, independently of one another, hydrogen, an alkyl or alkylene group having from 1 to 8 carbon atoms or an alkoxy group having from 1 to 8 carbon atoms, with the proviso that at least one of the groups R1, R2, R4 is not H, R3 is H or methyl X is F, Cl or CF3 n is 0, 1 or 2 can be used as catalysts.
摘要:
The invention relates to phosphinites I of formulae (1) or (2), in which R1, R2, R5, R6, R7, R8, R9 independently represent hydrogen, an alkyl or alkylene group having 1 to 8 carbon atoms or an alkoxy group having 1 to 8 carbon atoms; R3 is H or methyl; R4 is i-propyl or t-butyl; X is F, Cl or CF3 and n is 1 or 2
摘要:
Phosphonites I of the formula 1 or 2 where R1, R2 are each, independently of one another, hydrogen, an alkyl or alkylene group having from 1 to 8 carbon atoms or an alkoxy group having from 1 to 8 carbon atoms, with the proviso that R1 and R2 are not simultaneously H, R3 is H or methyl, R4 is t-butyl, R5, R6, R7, R8, R9 are each, independently of one another, H or an alkyl or alkylene group having from 1 to 8 carbon atoms.
摘要:
A system comprising a) Ni(0) b) from 4 to 10 mol per mol of Ni(0) in a) of a compound (I) of the formula P(X1R1)(X2R2)(X3R3) (I) where X1, X2, X3 are each, independently of one another, oxygen or a single bond, R1, R2, R3 are, independently of one another, identical or different organic radicals and c) from 1 to 4 mol per mol of Ni(0) in a) of a compound (II) of the formula where X11, X12, X13 X21, X22, X23 are each, independently of one another, oxygen or a single bond, R11, R12 are identical or different, individual or bridged organic radicals, R21, R22 are identical or different, individual or bridged organic radicals and Y is a bridging group is suitable as catalyst for preparing mixtures of monoolefinic C5 mononitriles having nonconjugated C═C and C═N bonds by hydrocyanation of a 1,3-butadiene-containing hydrocarbon mixture and for preparing a dinitrile by hydrocyanation of a mixture of monoolefinic C5 mononitriles having nonconjugated C═C and C═N bonds.
摘要翻译:一种系统,其包含a)式(I)中的式(ⅰ)中的每一摩尔Ni(0)中的Ni(0)b)4至10摩尔的式(ⅰ)的线性式描述=“在线式” 结束=“铅”→P(X 1> 1 SUP>)(X 2 2 R 2)(X (I)<?in-line-formula description =“In-line Formulas”end =“tail”?>其中X <1> X 2,X 3,X 3各自彼此独立地为氧或单键,R 1,R 2, > 2,R 3彼此独立地为相同或不同的有机基团,c)1至4摩尔每摩尔a)化合物中的Ni(0) II),其中X 11,X 12,X 13,X 21,X 22 X 23,X 23各自彼此独立地为氧或单键,R 11,R 12和R 12相同或相同, 不同的单个或桥连的有机基团,R 21,R 22和R 22相同或不同,单个或桥接的有机基团和 Y是桥联基团,适合作为通过含1,3-丁二烯的烃混合物的氢氰化制备具有非共轭CC和CN键的单烯键式C 5 H 5单体的混合物的催化剂,并通过氢氰化制备二腈 的具有非共轭CC和CN键的单烯烃C 5 H 5单体的混合物。
摘要:
A system comprising a) Ni(0) b) from 4 to 10 mol per mol of Ni(0) in a) of a compound (I) of the formula P(X1R1)(X2R2)(X3R3) (I) where X1, X2, X3 are each, independently of one another, oxygen or a single bond, R1, R2, R3 are, independently of one another, identical or different organic radicals and c) from 1 to 4 mol per mol of Ni(0) in a) of a compound (II) of the formula where X11, X12, X13 X21, X22, X23 are each, independently of one another, oxygen or a single bond, R11, R12 are identical or different, individual or bridged organic radicals, R21, R22 are identical or different, individual or bridged organic radicals and Y is a bridging group is suitable as catalyst for preparing mixtures of monoolefinic C5 mononitriles having nonconjugated C═C and C═N bonds by hydrocyanation of a 1,3-butadiene-containing hydrocarbon mixture and for preparing a dinitrile by hydrocyanation of a mixture of monoolefinic C5 mononitriles having nonconjugated C═C and C═N bonds.
摘要翻译:一种系统,其包含a)式(I)中的式(ⅰ)中的每一摩尔Ni(0)中的Ni(0)b)4至10摩尔的式(ⅰ)的线性式描述=“在线式” 结束=“铅”→P(X 1> 1 SUP>)(X 2 2 R 2)(X (I)<?in-line-formula description =“In-line Formulas”end =“tail”?>其中X <1> X 2,X 3,X 3各自彼此独立地为氧或单键,R 1,R 2, > 2,R 3彼此独立地为相同或不同的有机基团,c)1至4摩尔每摩尔a)化合物中的Ni(0) II),其中X 11,X 12,X 13,X 21,X 22 X 23,X 23各自彼此独立地为氧或单键,R 11,R 12和R 12相同或相同, 不同的单个或桥接的有机基团,R 21,R 22和R 22相同或不同,单个或桥接的有机基团和Y 桥联基团适合作为通过含1,3-丁二烯的烃混合物的氢氰化制备具有非共轭CC和CN键的单烯烃C 5 H 5单体的混合物的催化剂,并通过氢化氰化反应制备二腈 具有非共轭CC和CN键的单烯烃C 5 H 5单体的混合物。
摘要:
A system comprising a) Ni(0) b) from 4 to 10 mol per mol of Ni(0) in a) of a compound (I) of the formula P(X1R1)(X2R2)(X3R3) (I) where X1, X2, X3 are each, independently of one another, oxygen or a single bond, R1, R2, R3 are, independently of one another, identical or different organic radicals and c) from 1 to 4 mol per mol of Ni(0) in a) of a compound (II) of the formula where X11, X12, X13 X21, X22, X23 are each, independently of one another, oxygen or a single bond, R11, R12 are identical or different, individual or bridged organic radicals, R21, R22 are identical or different, individual or bridged organic radicals and Y is a bridging group is suitable as catalyst for preparing mixtures of monoolefinic C5 mononitriles having nonconjugated C═C and C═N bonds by hydrocyanation of a 1,3-butadiene-containing hydrocarbon mixture and for preparing a dinitrile by hydrocyanation of a mixture of monoolefinic C5 mononitriles having nonconjugated C═C and C═N bonds.
摘要:
A process for preparing α-(3-arylthio)acetophenones of the general formula I where the substituents R1 and R2 are each independently C1-C6-alkyl or an optionally substituted phenyl or benzyl radical, which comprises A) reacting acetophenones of the general formula II where the substituent R1 is as defined above with sulfuryl chloride and subsequently hydrolyzing, and B) reacting the reaction mixture obtained in this way with a thiophenol of the general formula III where the substituent R2 is as defined above
摘要:
A process for preparing α-(3-arylthio)acetophenones of the general formula I where the substituents R1 and R2 are each independently C1-C6-alkyl or an optionally substituted phenyl or benzyl radical, which comprises A) reacting acetophenones of the general formula II where the substituent R1 is as defined above with sulfuryl chloride and subsequently hydrolyzing, and B) reacting the reaction mixture obtained in this way with a thiophenol of the general formula III where the substituent R2 is as defined above
摘要:
A process for preparing α-(3-arylthio)acetophenones of the general formula I in which the substituents R1 and R2 are each independently C1-C6-alkyl, SiR33 where the substituent R3 is a C1-C6-alkyl radical, or an optionally substituted phenyl or benzyl radical, which comprises reacting, in methanol acetophenones of the general formula II in which the substituent X is Cl or Br with a thiolate of the general formula III in which M is an alkali metal.