Process for the preparation of aliphatic polycarbonates with alkoxy
silane initiator
    66.
    发明授权
    Process for the preparation of aliphatic polycarbonates with alkoxy silane initiator 失效
    用烷氧基硅烷引发剂制备脂族聚碳酸酯的方法

    公开(公告)号:US4879367A

    公开(公告)日:1989-11-07

    申请号:US212817

    申请日:1988-06-29

    CPC分类号: C08G64/30 C08G64/0208

    摘要: Process for the preparation of aliphatic polycarbonates by polymerizing cyclic aliphatic carbonates in the presence of initiators and/or catalysts, in which the initiators used are alkoxy silanes of the formula ##STR1## in which R.sub.1, R.sub.2 and R.sub.3 independently of one another represent a C.sub.1 -C.sub.4 -alkyl radical, n is an interger from 1 to 6 andR.sub.4 denotes an n-valent, optionally substituted, aliphatic hydrocarbon radical,and the catalysts used are the nucleophilic catalysts which are known from group transfer polymerization.

    摘要翻译: 用于通过在引发剂和/或催化剂存在下聚合环状脂肪族碳酸酯来制备脂族聚碳酸酯的方法,其中使用的引发剂是式I的烷氧基硅烷,其中R 1,R 2和R 3彼此独立地表示 C 1 -C 4 - 烷基,n是1至6的整数,R 4表示n价任选取代的脂族烃基,所用的催化剂是从组转移聚合中已知的亲核催化剂。

    1H-pyrido-(2,3-b) (1,4)-thiazines
    67.
    发明授权
    1H-pyrido-(2,3-b) (1,4)-thiazines 失效
    1H-吡啶并(2,3-b)(1,4) - 噻嗪

    公开(公告)号:US4861878A

    公开(公告)日:1989-08-29

    申请号:US927909

    申请日:1986-11-06

    CPC分类号: C07D513/04

    摘要: New potent lipoxygenase inhibitors which are 1H-pyrido-[2,3-b][1,4] thiazines are disclosed. The new thiazines are of the formula ##STR1## in which R.sup.1 denotes hydrogen, halogen, optionally substituted alkyl or alkoxy or the group ##STR2## in which R.sup.5 and R.sup.6 are identical or different and denote hydrogen, optionally substituted alkyl or aryl, or can be linked to form a 5- or 6-membered heterocyclic ring,R.sup.2 and R.sup.3 are identical or different and denote hydrogen or optionally substituted alkyl or alkoxy andR.sup.4 denotes hydroxyl, the group ##STR3## in which R.sup.5 and R.sup.6 have the abovementioned meaning, or, in the case where R.sup.3 denotes hydrogen or optionally substituted alkoxy, also denotes optionally substituted alkoxy.

    摘要翻译: 公开了新的有效的脂氧合酶抑制剂,它们是1H-吡啶并[2,3-b] [1,4]噻嗪。 新的噻嗪类具有式“IMAGE”,其中R 1表示氢,卤素,任选取代的烷基或烷氧基或其中R 5和R 6相同或不同并表示氢,任选取代的烷基或芳基或可以 连接形成5-或6-元杂环,R2和R3相同或不同,表示氢或任选取代的烷基或烷氧基,R4表示羟基,其中R5和R6具有上述含义的基团 或者在R3表示氢或任选取代的烷氧基的情况下,也表示任选取代的烷氧基。

    Sulphonic acid amidamines
    68.
    发明授权
    Sulphonic acid amidamines 失效
    磺酸胺

    公开(公告)号:US4816576A

    公开(公告)日:1989-03-28

    申请号:US877244

    申请日:1986-06-23

    摘要: The invention relates to a sulphonic acid amidamine corresponding to the following general formula I: ##STR1## wherein R.sup.1 represents a C.sub.8 -C.sub.30 linear, saturated aliphatic hydrocarbon group or said group which is substituted by one or more chlorine atoms;R.sup.2 and R.sup.5 independently represent hydrogen or C.sub.1 -C.sub.6 alkyl or C.sub.1 -C.sub.6 alkyl which is substituted with one of the groups: hydroxyl, amino, mercapto, cyano, carboxyl or carbamoyl, and/or is interrupted by at least one oxy (--O--) or thio (--S--) group;R.sup.3 and R.sup.4 independently represent C.sub.2 -C.sub.13 alkylene or C.sub.5 -C.sub.7 cycloalkylene or said alkylene or cycloalkylene groups which are substituted with one of the groups: hydroxyl, amino, mercapto, cyano, carboxyl or carbamoyl;p represents zero or an integer of from 1 to 3;q represents zero or an integer of from 1 to 12; andn represents an integer of from 1 to 8.

    摘要翻译: 本发明涉及对应于以下通式I的磺酸脒:其中R 1表示C 8 -C 30直链饱和脂族烃基或被一个或多个氯原子取代的基团; R2和R5独立地表示氢或C1-C6烷基或被羟基,氨基,巯基,氰基,羧基或氨基甲酰基中的一个基团取代的C 1 -C 6烷基,和/或被至少一个氧(-O - )或硫代(-S-)基团; R3和R4独立地表示C2-C13亚烷基或C5-C7亚环烷基或被羟基,氨基,巯基,氰基,羧基或氨基甲酰基中的一个基团取代的所述亚烷基或亚环烷基; p表示0或1〜3的整数, q表示0或1〜12的整数, n表示1〜8的整数。

    Antiagers and polymers containing them
    69.
    发明授权
    Antiagers and polymers containing them 失效
    含有它们的抗老化剂和聚合物

    公开(公告)号:US4654387A

    公开(公告)日:1987-03-31

    申请号:US763393

    申请日:1985-08-07

    摘要: Compounds corresponding to the following general formula: ##STR1## wherein R.sup.0 represents H or, together with R.sup.1, represents --CO-- when X represents --CO-- or, together with R.sup.2, represents --CO-- when X represents --CH.sub.2 --CO,a residue of R, R.sup.1 and R.sup.2, H, C.sub.1 -C.sub.4 alkyl, aryl, COOR.sup.5 or, when R.sup.0 represents H and X represents --CO--, ##STR2## and the other residues R, R.sup.1 and R.sup.2 represent H; R.sup.3 represents H or CH.sub.3 ;R.sup.4 represents C.sub.7 -C.sub.20 aralkyl;R.sup.5 represents H, C.sub.1 -C.sub.4 alkyl or C.sub.6 -C.sub.12 aryl;X represents a residue --(CH.sub.2).sub.n CO--, --(CH.sub.2).sub.n SO.sub.2, --CH.sub.2 --, --CH.sub.2 O--CO-- ##STR3## m represents 1 or 2; and n represents 0 or 1;are suitable for use as incorporable antiagers for polymers, particularly nitrile rubber.

    摘要翻译: 对应于以下通式的化合物:其中R 0表示H或与X一起代表-CO-,当X表示-CO-或与R 2一起表示-CO-,当X表示-CH 2 -CO时,R 1表示-CO-, R,R 1和R 2,H,C 1 -C 4烷基,芳基,COOR 5的残基,或当R 0表示H且X表示-CO-时,其中R,R 1和R 2表示H; R3表示H或CH3; R4代表C7-C20芳烷基; R5表示H,C1-C4烷基或C6-C12芳基; X表示残基 - (CH 2)n CO-, - (CH 2)n SO 2,-CH 2 - , - CH 2 O-CO-,其中m表示1或2; n表示0或1; 适用于聚合物,特别是丁腈橡胶的合成防腐剂。

    Cyclic carbonic acid derivatives
    70.
    发明授权
    Cyclic carbonic acid derivatives 失效
    环状碳酸衍生物

    公开(公告)号:US4440937A

    公开(公告)日:1984-04-03

    申请号:US340943

    申请日:1982-01-20

    摘要: New cyclic carbonic acid derivatives of the formula ##STR1## in which R denotes either --CH.sub.2 OH, R.sup.1 then representing an alkyl radical having 1 to 4 C atoms, or ##STR2## R.sup.1 and R.sup.2 then independently of one another representing methyl or ethyl, or ##STR3## R.sup.1 and R.sup.5 then each representing an alkyl radical having 1 to 4 C atoms, or in whichR and R.sup.1 together denote ##STR4## wherein A represents the group ##STR5## or oxygen, a process for their preparation, and their use as copolymerization components in the preparation of polycarbonates.

    摘要翻译: 式(IMAGE)的新的环状碳酸衍生物,其中R表示-CH 2 OH,R 1表示具有1至4个C原子的烷基,或者R 1和R 2彼此独立地代表甲基或乙基,或 R1和R5分别代表具有1-4个C原子的烷基,或其中R和R 1一起表示,其中A代表基团或氧,其制备方法及其用途 作为制备聚碳酸酯的共聚组分。