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21. 发明授权

US4933001A Phenylalkenylcarboxylic acids and their esters 失效
标题翻译：苯基链烯基羧酸及其酯
公开(公告)号：US4933001A
公开(公告)日：1990-06-12
申请号：US217563
申请日：1988-07-11
申请人： Peter Plath , Karl Eicken , Norbert Goetz , Jochen Wild , Norbert Meyer , Bruno Wuerzer
发明人： Peter Plath , Karl Eicken , Norbert Goetz , Jochen Wild , Norbert Meyer , Bruno Wuerzer
IPC分类号： A01N37/22 , A01N37/32 , C07C67/00 , C07C201/00 , C07C205/56 , C07C227/00 , C07C229/40 , C07C229/44 , C07D209/48
CPC分类号： C07D209/48 , A01N37/32
摘要： Phenylalkenylcarboxylic acid and esters thereof of the general formula I ##STR1## where X is hydrogen or fluorine, R.sup.1 is hydrogen, C.sub.1 C.sub.6 -alkyl, C.sub.5 - or C.sub.6 -cycloalkyl, (C.sub.1 -C.sub.4 -alkoxy)-C.sub.2 -C.sub.4 -alkyl or (C.sub.1 -C.sub.4 -alkylthio)-C.sub.2 -C.sub.4 -alkyl; W is a divalent radical --CH.dbd.CR.sup.2 --; --CH.dbd.CY--; --CH.dbd.CR.sup.2 --CH.sub.2 --; --CH.dbd.CR.sup.2 --CH.dbd.CR.sup.3 -- or ##STR2## where Y is chlorine or bromine and R.sup.2 and R.sup.3 are each hydrogen or C.sub.1 -C.sub.4 -alkyl, with the proviso that X is not F when W is --CH.dbd.CR.sup.2 --, their manufacture, and their use as herbicides.
摘要翻译：苯基链烯基羧酸及其通式I的酯其中X是氢或氟，R 1是氢，C 1 -C 6 - 烷基，C 5 - 或C 6 - 环烷基，（C 1 -C 4 - 烷氧基）-C 2 -C 4烷基或（C 1 -C 4 - 烷硫基）-C 2 -C 4 - 烷基; W是二价基团-CH = CR2-; -CH = CY-; -CH = CR 2 -CH 2 - ; -CH = CR2-CH = CR3-或其中Y是氯或溴，R2和R3各自是氢或C1-C4-烷基，条件是当W是-CH = CR2-时，X不是F，它们的制造及其作为除草剂的用途。

22. 发明授权

US4824973A Preparation of 4-formyltetrahydropyrans 失效
标题翻译： 4-甲酰基四氢吡喃的制备
公开(公告)号：US4824973A
公开(公告)日：1989-04-25
申请号：US89752
申请日：1987-08-26
申请人： Wolfgang Spiegler , Wolfgang Hoelderich , Norbert Goetz , Leopold Hupfer , Jochen Wild
发明人： Wolfgang Spiegler , Wolfgang Hoelderich , Norbert Goetz , Leopold Hupfer , Jochen Wild
IPC分类号： A01N43/18 , B01J29/40 , B01J29/70 , B01J29/83 , B01J29/85 , B01J29/86 , C07D309/06 , C07D405/04 , C07D407/04 , C07D409/04 , C07D333/22
CPC分类号： C07D309/06 , Y02P20/582
摘要： 4-Formyltetrahydropyrans of the general formula I ##STR1## where R.sup.1 is hydrogen, C.sub.1 -C.sub.12 -alkyl, C.sub.2 -C.sub.12 -alkenyl, C.sub.1 -C.sub.6 -alkoxy-substituted C.sub.1 -C.sub.12 -alkyl, C.sub.4 -C.sub.12 -cycloalkyl, unsubstituted or substituted aryl, hetaryl or aralkyl, or an unsubstituted or substituted, saturated or unsaturated 5-membered or 6-membered ring which may be interrupted by N, O or S, are prepared by a process in which a pyran derivative of the general formula II ##STR2## where R.sup.1 is as defined above, R.sup.2 and R.sup.3 are each OH or together are an oxygen atom and thus form an oxirane ring, and R.sup.4 is hydrogen where R.sup.2 and R.sup.3 are each OH, and is hydrogen or tert-butoxycarbonyl where R.sup.2 and R.sup.3 together are an oxygen atom, is treated at elevated temperatures with a catalyst selected from the group consisting of zeolites, phosphates, boric acid on a carrier and silica or mixtures of these. Novel 4-formyltetrahydropyrans are also proposed.
摘要翻译：其中R 1是氢，C 1 -C 12烷基，C 2 -C 12链烯基，C 1 -C 6烷氧基取代的C 1 -C 12烷基，C 4 -C 12环烷基，C 1 -C 12 - 烷基，未取代或取代的芳基，杂芳基或芳烷基，或可被N，O或S中断的未取代或取代的饱和或不饱和的5元或6元环，是通过一般方法制备的，式II其中R 1如上所定义，R 2和R 3各自为OH或一起为氧原子，因此形成环氧乙烷环，并且R 4为氢，其中R 2和R 3各自为OH并且为氢或叔丁氧基羰基，其中R 2和R 3一起是氧原子，在高温下用选自沸石，磷酸盐，载体上的硼酸和二氧化硅或它们的混合物的催化剂进行处理。还提出了新的4-甲酰基四氢吡喃。

23. 发明授权

US5123955A Phenylalkenylcarboxylic acids and their esters 失效
标题翻译：苯乙烯基羧酸及其酯
公开(公告)号：US5123955A
公开(公告)日：1992-06-23
申请号：US424990
申请日：1989-10-23
申请人： Peter Plath , Karl Eicken , Norbert Goetz , Jochen Wild , Norbert Meyer , Bruno Wuerzer
发明人： Peter Plath , Karl Eicken , Norbert Goetz , Jochen Wild , Norbert Meyer , Bruno Wuerzer
IPC分类号： A01N37/22 , A01N37/32 , C07C67/00 , C07C201/00 , C07C205/56 , C07C227/00 , C07C229/40 , C07C229/44 , C07D209/48
CPC分类号： C07D209/48 , A01N37/32
摘要： Phenylalkenylcarboxylic acid and esters thereof of the general formula I ##STR1## where X is hydrogen or fluorine, R.sup.1 is hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.5 - or C.sub.6 -cycloalkyl, (C.sub.1 -C.sub.4 -alkoxy)-C.sub.2 -C.sub.4 -alkyl or (C.sub.1 -C.sub.4 -alkylthio)-C.sub.2 -C.sub.4 -alkyl; W is a divalent radical --CH.dbd.CR.sup.2 --; --CH.dbd.CY--; --CH.dbd.CR.sup.2 --CH.sub.2 --; --CH.dbd.CR.sup.2 --CH.dbd.CR.sup.3 -- or ##STR2## where Y is chlorine or bromine and R.sup.2 and R.sup.3 are each hydrogen or C.sub.1 -C.sub.4 -alkyl, with the proviso that X is not F when W is --CH.dbd.CR.sup.2 --, their manufacture, and their use as herbicides.

24. 发明授权

US5120849A Preparation of O-substituted hydroxylamines 失效
标题翻译： O-取代的羟甲基胺的制备
公开(公告)号：US5120849A
公开(公告)日：1992-06-09
申请号：US638144
申请日：1991-01-09
申请人： Jochen Wild , Norbert Goetz , Wolfgang Will , Rolf-Dieter Kohler , Peter Plath
发明人： Jochen Wild , Norbert Goetz , Wolfgang Will , Rolf-Dieter Kohler , Peter Plath
IPC分类号： C07C253/00 , C07C67/00 , C07C239/00 , C07C239/10 , C07C239/12 , C07C239/20 , C07C255/15 , C07C255/32 , C07C255/49 , C07C313/00 , C07C323/12 , C07D207/46 , C07D209/12 , C07D209/48 , C07D211/88 , C07D211/94 , C07D213/30 , C07D271/10 , C07D307/12 , C07D317/18 , C07D333/04 , C07D333/16 , C07D333/20 , C07D333/28 , C07D403/06 , C07D403/12 , C07D405/12 , C07D409/12 , C07D413/12
CPC分类号： C07D209/48 , C07C255/00 , C07D207/46 , C07D211/88 , C07D271/10 , C07D307/12 , C07D317/18 , C07D333/28 , C07D403/12 , C07D409/12 , C07D413/12
摘要： O-substituted hydroxylamines (I)H.sub.2 N--O--CH.sub.2 --R (I)where R is H or an organic radical, and their salts are prepared by reacting a cyclic imidoether II of a 1,4- or 1,5-dicarboxylic acid, the said imidoether containing an ether group --O--CH.sub.2 --R, with a basic compound by a method in which a primary aliphatic aminoalcohol III is used as the basic compound and the compound I is, if required, converted to its salts.
摘要翻译： O-取代羟胺（I）其中R为H或有机基团的H 2 N-O-CH 2 -R（I）及其盐通过1,4-或1,5-二羧酸的环状酰亚胺醚II 所述含有醚基-O-CH2-R的酰亚胺醚与碱性化合物通过其中使用伯脂肪族氨基醇III作为碱性化合物的方法，如果需要，化合物I转化为其盐。

25. 发明授权

US5466831A Preparation of 3-(2-acyloxyethyl)-dihydro-2(3H)furanones 失效
标题翻译： 3-（2-酰氧基乙基） - 二氢-2（3H）呋喃酮的制备
公开(公告)号：US5466831A
公开(公告)日：1995-11-14
申请号：US99232
申请日：1993-07-29
申请人： Werner Schnurr , Rolf Fischer , Norbert Goetz , Thomas Kuekenhoehner
发明人： Werner Schnurr , Rolf Fischer , Norbert Goetz , Thomas Kuekenhoehner
IPC分类号： C07D307/33 , C07D307/12
CPC分类号： C07D307/33
摘要： A process for the preparation of 3-(2'-acyloxyethyl)-dihydro-2(3H)furanones of the general formula I ##STR1## in which R.sup.1 denotes C.sub.1 -C.sub.12 alkyl, C.sub.5 -C.sub.8 cycloalkyl, aryl, C.sub.7 -C.sub.12 aralkyl, or C.sub.7 -C.sub.12 alkylaryl, in which a 3-(2'-oxyethyl)-dihydro-2(3H)furanone of the general formula II ##STR2## in which R.sup.2 denotes C.sub.1 -C.sub.12 alkyl, C.sub.5 -C.sub.8 cycloalkyl, aryl, C.sub.7 -C.sub.12 aralkyl, or C.sub.7 -C.sub.12 alkylaryl is caused to react with a carboxylic acid, a carboxylic anhydride, and/or an acyl halide in the presence of an acid catalyst at temperatures of from 50.degree. to 250.degree. C. and pressures of from 0.1 to 100 bar.
摘要翻译：制备通式I，C5-C8环烷基，芳基，C7-C12芳烷基或C7-C12烷基芳基的3-（2'-酰氧基乙基） - 二氢-2（3H）呋喃酮的方法，其中3 - （2'-氧乙基） - 二氢-2（3H）呋喃酮，其中R 2表示C 1 -C 12烷基，C 5 -C 8环烷基，芳基，C 7 -C 12芳烷基或C 7 -C 12芳烷基， C12烷基芳基在酸催化剂存在下，在50-250℃，压力为0.1-100巴的条件下，与羧酸，羧酸酐和/或酰卤反应。

26. 发明授权

US5371246A Preparation of tetrahydropyran-4-carboxylic acid and esters thereof 失效
标题翻译：四氢吡喃-4-羧酸及其酯的制备
公开(公告)号：US5371246A
公开(公告)日：1994-12-06
申请号：US110219
申请日：1993-08-23
申请人： Dirk Borchers , Rolf Fischer , Norbert Goetz , Thomas Kuekenhoehner , Werner Schnurr
发明人： Dirk Borchers , Rolf Fischer , Norbert Goetz , Thomas Kuekenhoehner , Werner Schnurr
IPC分类号： B01J21/04 , C07B61/00 , C07D309/08 , C07D309/06
CPC分类号： C07D309/08
摘要： A process for the preparation of tetrahydropyran-4-carboxylic acid and esters thereof of the general formula I ##STR1## in which R.sup.1 denotes hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.5 -C.sub.8 cycloalkyl, or aryl by the reaction of a dihydro-2(3H)furanone of the general formula II ##STR2## in which R.sup.2 denotes hydrogen, C.sub.1 -C.sub.6 alkyl, or --CO--R.sup.3 andR.sup.3 denotes hydrogen or C.sub.1 -C.sub.6 alkyl, with water or an alcohol of the general formula IIIR.sup.1 --OH (III),in whichR.sup.1 has the aforementioned meaning,at temperatures ranging from 200.degree. to 350.degree. C. in the presence of a heterogenous acid catalyst, in which use is made of a fixed heterogenous acid catalyst.
摘要翻译：制备通式I的四氢吡喃-4-羧酸及其酯的方法，其中R 1表示氢，C 1 -C 6烷基，C 5 -C 8环烷基或芳基，其中二氢 -2（3H）呋喃酮，其中R 2表示氢，C 1 -C 6烷基或-CO-R 3，R 3表示氢或C 1 -C 6烷基，其中R 2表示氢或C 1 -C 6烷基，在异种酸催化剂的存在下，在200〜350℃的温度范围内，通式III的R1-OH（Ⅲ），其中R 1具有上述含义，其中使用固定的异种酸催化剂。

27. 发明授权

US5262387A Pyridine derivatives and their use for controlling undesirable plant growth 失效
标题翻译：吡啶衍生物及其用于控制不希望的植物生长的用途
公开(公告)号：US5262387A
公开(公告)日：1993-11-16
申请号：US783310
申请日：1991-11-20
申请人： Gerhard Hamprecht , Norbert Goetz , Bruno Wuerzer , Karl-Otto Westphalen
发明人： Gerhard Hamprecht , Norbert Goetz , Bruno Wuerzer , Karl-Otto Westphalen
IPC分类号： A01N43/40 , A01N43/90 , C07D213/81 , C07D213/82 , C07D471/04
CPC分类号： C07D213/81 , A01N43/40 , A01N43/90 , C07D213/82 , C07D471/04
摘要： Pyridine derivatives of the formulae ##STR1## wherein W, X, Y and Z are each C--R.sup.4, N or N.fwdarw.O, with the proviso that the ring contains only one heteroatom, and the substituents R.sup.1, R.sup.2 and R.sup.3 have the following meanings:R.sup.1 is alkoxy, substituted or unsubstituted alkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted alkenyl, or substituted or unsubstituted alkynyl,R.sup.2 is hydrogen,R.sup.3 is formyl, 4,5-dihydrooxazol-2-yl or --CO--A--R.sup.5 or --CO--NR.sup.6.sup.R.sup.7, whereR.sup.4 is halogen, nitro, cyano, substituted or unsubstituted alkyl, substituted or unsubstituted benzyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alkynyl, alkoxy, alkylthio, haloalkoxy, haloalkylthio, alkenyloxy, alkynyloxy, alkylsulfinyl, alkylsulfonyl, haloalkylsulfonyl, substituted or unsubstituted phenoxy or phenylthio, a substituted or unsubstituted 5- or 6-membered heterocyclic radical having one or two heteroatoms selected from the group consisting of oxygen, sulfur and nitrogen, or is substituted or unsubstituted phenyl,A is oxygen or sulfur,R.sup.5 is hydrogen, substituted or unsubstituted alkyl, substituted or unsubstituted benzyl, cycloalkyl, substituted or unsubstituted phenyl,one equivalent of a cation or the radical --N.dbd.CR.sup.8 R.sup.9 andR.sup.6 and R.sup.7 are hydrogen or alkyl or together denote a methylene chain having 4 or 5 members,their agriculturally utilizable salts, and their use for controlling unwanted plant growth.
摘要翻译：其中W，X，Y和Z各自为C-R 4，N或N-> O的吡啶衍生物，条件是环仅含有一个杂原子，并且取代基R 1，R 2和 R3具有以下含义：R 1是烷氧基，取代或未取代的烷基，取代或未取代的环烷基，取代或未取代的烯基，或取代或未取代的炔基，R 2是氢，R 3是甲酰基，4,5-二氢恶唑-2-基或 - CO-A-R5或-CO-NR6R7，其中R4是卤素，硝基，氰基，取代或未取代的烷基，取代或未取代的苄基，取代或未取代的环烷基，取代或未取代的烯基，取代或未取代的炔基，烷氧基，烷硫基，卤代烷氧基卤代烷硫基，烯氧基，炔氧基，烷基亚磺酰基，烷基磺酰基，卤代烷基磺酰基，取代或未取代的苯氧基或苯硫基，取代或未取代的具有一个或两个选自基团的杂原子的5-或6-元杂环基氧，硫和氮的取代基，或者是取代或未取代的苯基，A是氧或硫，R5是氢，取代或未取代的烷基，取代或未取代的苄基，环烷基，取代或未取代的苯基，1当量的阳离子或基团 -N = CR8R9，R6和R7是氢或烷基或一起表示具有4或5个成员的亚甲基链，它们的农业上可利用的盐，以及它们用于控制不想要的植物生长的用途。

28. 发明授权

US5225602A Phenylacetaldehydes and the preparation of phenylacetaldehydes 失效
标题翻译：苯乙酮和苯乙酮的制备
公开(公告)号：US5225602A
公开(公告)日：1993-07-06
申请号：US425372
申请日：1989-10-17
申请人： Wolfgang Hoelderich , Norbert Goetz , Leopold Hupfer , Rudolf Kropp , Hans Theobald , Bernd Wolf
发明人： Wolfgang Hoelderich , Norbert Goetz , Leopold Hupfer , Rudolf Kropp , Hans Theobald , Bernd Wolf
IPC分类号： C07C47/228 , C07C45/00 , C07C45/41 , C07C45/51 , C07C45/52 , C07C45/54 , C07C45/58 , C07C47/24 , C07C47/277 , C07C67/00 , C07C313/00 , C07C323/22
CPC分类号： C07C47/277 , C07C323/00 , C07C45/41 , C07C45/512 , C07C45/513 , C07C45/52 , C07C45/54 , C07C45/58 , C07C47/24 , Y02P20/582
摘要： Phenylacetaldehydes of the structure (I) ##STR1## where the substituents X are 2,4-dichloro, difluoro, trifluoro, tetrafluoro, p-trifluoromethyl, 2-methyl-4-fluoro, haloalkoxy or haloalkylthio radicals or are adjacent Cl, F, CF.sub.3, alkyl, alkoxy, haloalkoxy and/or haloalkylthio radicals.
摘要翻译：其中取代基X为2,4-二氯，二氟，三氟，四氟，对三氟甲基，2-甲基-4-氟，卤代烷氧基或卤代烷硫基，或与Cl相邻的苯基乙醛，F，CF 3，烷基，烷氧基，卤代烷氧基和/或卤代烷基硫基。

29. 发明授权

US5202503A Benzonitriles, benzaldehydes and benzyl alcohols 失效
标题翻译：苯甲腈，苯甲醛和苄醇
公开(公告)号：US5202503A
公开(公告)日：1993-04-13
申请号：US791016
申请日：1991-11-12
申请人： Bernd Wolf , Hans Theobald , Norbert Goetz
发明人： Bernd Wolf , Hans Theobald , Norbert Goetz
IPC分类号： C07C25/02 , C07C25/18 , C07C25/22 , C07C25/24 , C07C33/20 , C07C33/30 , C07C33/34 , C07C33/46 , C07C33/50 , C07C45/44 , C07C47/542 , C07C47/546 , C07C47/548 , C07C47/55 , C07C255/50
CPC分类号： C07C47/548 , C07C25/02 , C07C25/18 , C07C25/22 , C07C25/24 , C07C255/50 , C07C33/20 , C07C33/30 , C07C33/34 , C07C33/46 , C07C33/50 , C07C45/44 , C07C47/542 , C07C47/546 , C07C47/55 , C07C2101/02 , C07C2101/08 , C07C2101/10 , C07C2101/14 , C07C2101/16 , C07C2101/18 , C07C2102/42
摘要： Novel benzonitriles, benzaldehydes and benzyl alcohols of the formula I ##STR1## where R.sup.1 is methyl or ethyl, R.sup.2 is alkyl, alkenyl, cycloalkyl, cycloalkenyl, bicycloalkyl, bicycloalkenyl, or C.sub.1 -C.sub.5 -alkyl-substituted cycloalkyl, cycloalkenyl, bicycloalkyl or bicycloalkenyl, X is hydrogen, chlorine or fluorine and Z is --CN, CHO or ##STR2## where R.sup.3 is hydrogen, cyano, C.sub.2 -C.sub.4 -alkynyl, C.sub.2 -C.sub.4 -alkenyl or C.sub.1 -C.sub.4 -alkyl, with the proviso that R.sup.2 is not --CH.sub.2 --CH.dbd.CH--B when B is hydrogen, alkyl or alkenyl and at the same time R.sup.1 is methyl and Z is ##STR3## and with the proviso that R.sup.2 is not methyl or ethyl when R.sup.1 is methyl and at the same time Z is ##STR4## and furthermore with the proviso that R.sup.2 is not methyl when R.sup.1 is methyl or ethyl and at the same time Z is --CN or --CHO.
摘要翻译：式I的新型苯甲腈，苯甲醛和苄醇其中R1是甲基或乙基，R2是烷基，烯基，环烷基，环烯基，双环烷基，双环烯基或C1-C5-烷基取代的环烷基，环烯基，双环烷基或双链烯基，X是氢，氯或氟，Z是-CN，CHO或者其中R3是氢，氰基，C2-C4-炔基，C2-C4-烯基或C1-C4-烷基，其中R2是当B是氢，烷基或链烯基并且同时R1是甲基且Z是<！ - SIPO - >而且当R 1是甲基时，R 2不是甲基或乙基，并且在同时Z是，另外条件是当R 1是甲基或乙基且同时Z是-CN或-CHO时，R 2不是甲基。

30. 发明授权

US5169958A Preparation of .alpha.,.beta.-unsaturated carbonyl compounds 失效
标题翻译：（ALPHA），（BETA） - 饱和碳化合物的制备
公开(公告)号：US5169958A
公开(公告)日：1992-12-08
申请号：US769022
申请日：1991-10-01
申请人： Heinz Isak , Norbert Goetz , Thomas Kuekenhoehner
发明人： Heinz Isak , Norbert Goetz , Thomas Kuekenhoehner
IPC分类号： C07C45/67 , C07C45/68 , C07C47/232 , C07C47/24 , C07C47/277 , C07C223/02 , C07C225/16 , C07C229/34
CPC分类号： C07C229/34 , C07C223/02 , C07C225/16 , C07C45/673 , C07C45/68 , C07C47/232 , C07C47/24 , C07C47/277
摘要： A process for the preparation of .alpha.,.beta.-unsaturated carbonyl compounds of the formula I ##STR1## where R.sup.1 is hydrogen, C.sub.1 -C.sub.10 -alkyl, C.sub.1 -C.sub.10 -alkoxy or aryloxy,R.sup.2 is aryl which is unsubstituted or substituted by C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, trifluoromethyl and/or halogen andR.sup.3 is tetrahydrofuranyl or aryl which is substituted by C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, trifluoromethyl and/or halogen, which comprises reacting 3-amino-2-propen-1-ones of the formula II ##STR2## where R.sup.1 and R.sup.2 have the abovementioned meanings, and R.sup.4 and R.sup.5 are, independently of one another, hydrogen, C.sub.1 -C.sub.10 -alkyl or aryl, with a magnesium halide of the formula IIIR.sup.3 --Mg--Y (III) where Y is halogen, at from -20.degree. to 100.degree. C., and novel .alpha.,.beta.-unsaturated carbonyl compounds and novel 3-amino-2-propen-1-ones are described.
摘要翻译：制备式I的α，β-不饱和羰基化合物的方法，其中R1是氢，C1-C10-烷基，C1-C10-烷氧基或芳氧基，R2是未取代或取代的芳基 C1-C4-烷基，C1-C4-烷氧基，三氟甲基和/或卤素，R3是被C1-C4-烷基，C1-C4-烷氧基，三氟甲基和/或卤素取代的四氢呋喃基或芳基，其包括使3 - 氨基-2-丙烯-1-酮，其中R 1和R 2具有上述含义，并且R 4和R 5彼此独立地为氢，C 1 -C 10 - 烷基或芳基，与式III的卤化镁R3-Mg-Y（III）其中Y是卤素，在-20℃至100℃，和新的α，β-不饱和羰基化合物和新的3-氨基-2-丙烯描述-1。

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