Vapor-phase intramolecular dehydration reaction of alkanolamines
    1.
    发明授权
    Vapor-phase intramolecular dehydration reaction of alkanolamines 失效
    烷醇胺的气相分子内脱水反应

    公开(公告)号:US4841060A

    公开(公告)日:1989-06-20

    申请号:US183474

    申请日:1988-04-15

    摘要: Catalytic vapor phase intramolecular dehydration reaction of an alkanolamine represented by the general formula ##STR1## wherein each of R and R' is selected from hydrogen, a methyl group and an ethyl group, and n is an integer of 2 to 5, to convert it into a cyclic amine represented by the general formula ##STR2## wherein R, R' and n are as defined above. The catalyst is an oxide composition represented by the following formulaSi.sub.a X.sub.x Y.sub.y O.sub.bwherein Si is silicon, X is at least one element selected from alkali metals and alkaline earth metals, Y is at least one element selected from B, Al, Ti, Zr, Sn, Zn and Ce, and O is oxygen; and the suffixes a, x, y and b represent the atomic ratios of the elements Si, X, Y and O respectively, and when a=1, x=0.0005-1 and y=0-1, and b is a value determined by a, x and y.

    摘要翻译: 由通式(I)表示的链烷醇胺的催化气相分子内脱水反应,其中R和R'各自选自氢,甲基和乙基,n为2〜5的整数, 将其转化成由通式(II)表示的环胺,其中R,R'和n如上定义。 催化剂是由下式SiaXxYyOb表示的氧化物组合物,其中Si是硅,X是选自碱金属和碱土金属中的至少一种元素,Y是选自B,Al,Ti,Zr,Sn, Zn和Ce,O是氧; 并且后缀a,x,y和b分别表示元素Si,X,Y和O的原子比,并且当a = 1,x = 0.0005-1和y = 0-1时,b是确定的值 由a,x和y。

    Method of producing ethylenediamines
    2.
    发明授权
    Method of producing ethylenediamines 失效
    生产乙二胺的方法

    公开(公告)号:US5235107A

    公开(公告)日:1993-08-10

    申请号:US683498

    申请日:1991-04-10

    IPC分类号: C07C209/60

    CPC分类号: C07C209/60

    摘要: A method of producing ethylenediamines represented by the general formula ##STR1## wherein R represents a hydrogen atom, or a methyl or ethyl group, which comprises reacting an aziridine compound of the general formula ##STR2## wherein R is as defined, with ammonia in the gaseous phase in the presence of a solid acid catalyst. In another aspect, a method of producing ethylenediamines f the general formula (I), which comprises reacting a reaction product containing an aziridine compound of the general formula (II), obtained by the gaseous phase intramolecular dehydration reaction of an alkanolamine represented by the general formula ##STR3## wherein X represents the OH group or the NH.sub.2 group, Y represents the NH.sub.2 group when X is the OH group and the OH group when X is the NH.sub.2 group, and R is as defined, in the presence of a catalyst A, with ammonia in the gaseous phase in the presence of a solid acid catalyst (catalyst B).

    摘要翻译: 制备由通式(I)表示的乙二胺的方法,其中R表示氢原子或甲基或乙基,其包括使通式为(II)的氮丙啶化合物(其中R为: 在固体酸催化剂存在下,在气相中用氨气。 另一方面,制备通式(I)的乙二胺的方法,该方法包括使含有通式(II)的氮丙啶化合物的反应产物与由通式(I)表示的链烷醇胺的气态分子内脱水反应 式(III)其中X表示OH基团或NH2基团,当X为OH基团时,Y表示NH2基团,当X为NH2基团时为OH基团,R为定义,R为 催化剂A,在固体酸催化剂(催化剂B)的存在下,在气相中具有氨。

    Method of producing ethylenediamines
    3.
    发明授权
    Method of producing ethylenediamines 失效
    生产乙二胺的方法

    公开(公告)号:US5262570A

    公开(公告)日:1993-11-16

    申请号:US2904

    申请日:1993-01-11

    IPC分类号: C07C209/60 C07C209/62

    CPC分类号: C07C209/60

    摘要: A method of producing ethylenediamines represented by the general formula ##STR1## wherein R represents a hydrogen atom, or a methyl or ethyl group, which comprises reacting an aziridine compound of the general formula ##STR2## wherein R is as defined, with ammonia in the gaseous phase in the presence of a solid acid catalyst. In another aspect, a method of producing ethylenediamines of the general formula (I), which comprises reacting a reaction product containing an aziridine compound of the general formula (II), obtained by the gaseous phase intramolecular dehydration reaction of an alkanolamine represented by the general formula ##STR3## wherein X represents the OH group or the NH.sub.2 group, Y represents the NH.sub.2 group when X is the OH group and the OH group when X is the NH.sub.2 group, and R is as defined,in the presence of a catalyst A, with ammonia in the gaseous phase in the presence of a solid acid catalyst (catalyst B).

    摘要翻译: 制备由通式(I)表示的乙二胺的方法,其中R表示氢原子或甲基或乙基,其包括使通式为(II)的氮丙啶化合物(其中R为: 在固体酸催化剂存在下,在气相中用氨气。 另一方面,制备通式(I)的亚乙基二胺的方法,该方法包括使含有由通式(II)表示的链烷醇胺的气态分子内脱水反应获得的通式(II)的氮丙啶化合物的反应产物 式(III)其中X表示OH基团或NH2基团,当X为OH基团时,Y表示NH2基团,当X为NH2基团时为OH基团,R为定义,R为 催化剂A,在固体酸催化剂(催化剂B)的存在下,在气相中具有氨。

    Catalyst for vapor-phase intramolecular dehydration reaction of
alkanolamines
    4.
    发明授权
    Catalyst for vapor-phase intramolecular dehydration reaction of alkanolamines 失效
    烷醇胺气相分子内脱水反应催化剂

    公开(公告)号:US4774218A

    公开(公告)日:1988-09-27

    申请号:US943085

    申请日:1986-12-18

    摘要: A catalyst for the vapor phase intramolecular dehydration reaction of an alkanolamine represented by the general formula ##STR1## wherein each of R and R' is selected from hydrogen, a methyl group and an ethyl group, and n is an integer of 2 to 5, to convert it into a cyclic amine represented by the general formula ##STR2## wherein R, R' and n are as defined above. The catalyst is an oxide composition represented by the following formulaX.sub.a P.sub.b Y.sub.c O.sub.dwherein X is at least one element selected from alkali metals and alkaline earth metals, P is phosphorus, Y is at least one element selected from B, Al, Si, S, Sc, Ti, Cu, Y, Zr, Nb, Mo, Sn, Sb, La, Ce, Ta, W, Tl, Pb, Bi and Th, O is oxygen, the suffixes a, b, c and d represent the atomic ratios of the elements X, P, Y and O, and when a=1, b=0.01-3 and c=0-100, and d is a value determined by a, b and c and the state of bonding of the constituent elements.

    摘要翻译: 由通式(I)表示的链烷醇胺的气相分子内脱水反应的催化剂,其中R和R'各自选自氢,甲基和乙基,n为整数2 至5,将其转化为由通式(II)表示的环胺,其中R,R'和n如上所定义。 催化剂是由下式XaPbYcOd表示的氧化物组合物,其中X是选自碱金属和碱土金属中的至少一种元素,P是磷,Y是选自B,Al,Si,S,Sc中的至少一种元素, Ti,Cu,Y,Zr,Nb,Mo,Sn,Sb,La,Ce,Ta,W,Tl,Pb,Bi和Th,O是氧,后缀a,b,c和d表示 元素X,P,Y和O以及当a = 1时,b = 0.01-3和c = 0-100,d是由a,b和c确定的值以及组成元素的结合状态。

    Process for producing aziridines
    8.
    发明授权
    Process for producing aziridines 失效
    生产氮丙啶的方法

    公开(公告)号:US4966980A

    公开(公告)日:1990-10-30

    申请号:US275106

    申请日:1988-11-07

    IPC分类号: C07D203/02

    CPC分类号: C07D203/02 Y02P20/582

    摘要: A process for producing an aziridine compound represented by the following general formula ##STR1## wherein R represents hydrogen, or a methyl or ethyl group, which comprises intramolecularly dehydrating an alkanolamine represented by the following formula ##STR2## wherein R is as defined, X is OH or NH.sub.2, and Y is NH.sub.2 when X is OH, and OH when X is NH.sub.2, in the presence of a catalyst in the vapor phase in a reaction step (A) to form a reaction product containing the aziridine compound, and subjecting the reaction product to any one of the following procedures (1) to (3),(1) sending the reaction product to a recovery step (B) and recovering the aziridine compound in the presence of an amine compound,(2) sending the reaction product to a distillation step (C) and distilling the aziridine compound in the presence of an amine compound, and(3) sending the reaction product to the recovery step (B), recovering the aziridine compound in the presence of an amine compound, sending the recovered aziridine compound to the distillation step (C) and distilling it in the presence of an amine compound.

    摘要翻译: PCT No.PCT / JP88 / 00262 Sec。 371日期:1988年11月7日 102(e)日期1988年11月7日PCT提交1988年3月12日PCT公布。 出版物WO88 / 07038 日本公报1988年9月22日。一种制备由以下通式表示的氮丙啶化合物的方法,其中R表示氢或甲基或乙基,其包括使由下式表示的链烷醇胺分子内脱水, 在反应步骤(A)中,在气相中的催化剂存在下,当X是OH时,X是OH或NH 2,Y是NH 2,X是NH 2时的OH, 形成含有氮丙啶化合物的反应产物,并使反应产物进行以下任一步骤(1)至(3),(1)将反应产物送至回收步骤(B)并回收氮丙啶化合物 胺化合物的存在,(2)将反应产物送至蒸馏步骤(C)并在胺化合物存在下蒸馏氮丙啶化合物,和(3)将反应产物送至回收步骤(B), 在胺化合物存在下回收氮丙啶化合物 将回收的氮丙啶化合物送至蒸馏步骤(C),并在胺化合物存在下蒸馏。

    Process for preparing alkylene sulfides
    9.
    发明授权
    Process for preparing alkylene sulfides 失效
    制备亚烷基硫化物的方法

    公开(公告)号:US5304656A

    公开(公告)日:1994-04-19

    申请号:US980009

    申请日:1992-11-23

    IPC分类号: C07D331/02

    CPC分类号: C07D331/02

    摘要: In a process for preparing alkylene sulfides through the intramolecular dehydration reaction of mercaptoalkanols in a gaseous phase, catalysts are used, which are represented by the formula: M.sub.a X.sub.b Y.sub.c O.sub.d, where M represents at least one element selected from the group of alkali metals, alkaline earth metals and thallium; X represents at least one element selected from the group of Al, B, Si and P; Y represents at least one element selected from the group consisting of lanthanides, IIIA group, IVA group, VA group, IIIB group, IVB group, VB group and VIB group, excluding an element contained in M or X; O represents oxygen; and a and b are numerical values not equal to 0; b=0.2-100 and c=0-50 when a=1; and d is a numerical value determined according to a, b and c.

    摘要翻译: 在通过巯基链烷醇在气相中的分子内脱水反应制备亚烷基硫化物的方法中,使用由下式表示的催化剂:MaXbYcOd,其中M表示选自碱金属,碱土金属中的至少一种元素 和铊; X表示选自Al,B,Si和P中的至少一种元素; Y表示选自镧系元素,IIIA族,IVA族,VA族,IIIB族,IVB族,VB族和VIB族中的至少一种元素,不包括M或X中含有的元素; O表示氧; a和b是不等于0的数值; 当a = 1时,b = 0.2-100和c = 0-50; d是根据a,b和c确定的数值。

    Process for producing cyclic amines
    10.
    发明授权
    Process for producing cyclic amines 失效
    环胺的制备方法

    公开(公告)号:US4841061A

    公开(公告)日:1989-06-20

    申请号:US126351

    申请日:1987-11-30

    摘要: A process for producing a cyclic amine represented by the general formula ##STR1## wherein each of R and R' is selected from hydrogen, a methyl group and an ethyl group, and n is an integer of 2 to 5, which comprises vapor-phase intramolecular dehydration reaction of an alkanolamine represented by the general formula ##STR2## wherein R, R' and n are as defined above, said reaction being carried out in the presence of, as a catalyst, an oxide composition represented by the following formulaX.sub.a P.sub.b Y.sub.c O.sub.dwherein X is at least one element selected from transition metal elements of Groups I through VIII, lanthanide elements, actinide elements and elements of Group IIIA in the periodic table, Si, Ge, Sn, Pb, Sb and Bi, P is phosphorus, Y is at least one element selected from alkali metal elements and alkaline earth metal elements, O is oxygen, the suffixes a, b, c and d are the atomic ratios of the elements X, P, Y and O respectively, and when a=1, b=0.01-6, preferably 0.05-3, and c=0-3, preferably 0.01-2, and d is a value determined by a, b and c and the state of bonding of the constituent elements.

    摘要翻译: 一种制备由通式(II)表示的环胺的方法,其中R和R'各自选自氢,甲基和乙基,n为2至5的整数,其包括 由通式(I)表示的链烷醇胺的气相分子内脱水反应其中R,R'和n如上所定义,所述反应在作为催化剂的存在下进行,所述氧化物组合物代表 通过下式XaPbYcOd,其中X是选自元素周期表中的第I至VIII族的过渡金属元素,镧系元素,锕系元素和IIIA族的元素中的至少一种元素,Si,Ge,Sn,Pb,Sb和Bi, P是磷,Y是选自碱金属元素和碱土金属元素中的至少一种元素,O是氧,后缀a,b,c和d分别是元素X,P,Y和O的原子比, 当a = 1时,b = 0.01-6,优选为0.05-3,c = 0-3, 优选为0.01-2,d为由a,b和c确定的值以及组成元素的结合状态。