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公开(公告)号:US06476272B1
公开(公告)日:2002-11-05
申请号:US09807310
申请日:2001-06-18
IPC分类号: C07F950
CPC分类号: C07F9/5059 , C07F9/5086
摘要: Organophosphines of the formula (R)aP(H)3−a( where R is C1-C20 alkyl, alkenyl, alkaryl or styryl and a is 1, 2, or 3) are produced by (i) reacting a tris(hydroxyorgano)phosphine (THP) with an organic halogen containing compound; (ii) reacting the product of (i) with a base; (iii) removing aldehydes from the product of (ii) and adding an organic phase, followed by distillation or phase-separation to obtain the desired product.
摘要翻译: 通过(i)使三(羟基有机)基团与式(R)aP(H)3-a(其中R是C 1 -C 20烷基,烯基,烷芳基或苯乙烯基,a是1,2或3) 膦(THP)与有机含卤素化合物; (ii)使(i)的产物与碱反应; (iii)从(ii)的产物中除去醛并加入有机相,然后进行蒸馏或相分离以获得所需产物。
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公开(公告)号:US06215013B1
公开(公告)日:2001-04-10
申请号:US09582967
申请日:2000-09-05
申请人: Gary Woodward , Timothy Kevin Brierley , Ranbir Singh Padda , John Christopher Harris , Aidan Michael Hayes
发明人: Gary Woodward , Timothy Kevin Brierley , Ranbir Singh Padda , John Christopher Harris , Aidan Michael Hayes
IPC分类号: C07F940
CPC分类号: C07F9/657181 , C07F9/3826 , C07F9/3847
摘要: A method for the preparation of alkene phosphonic acids and salts thereof, such as VDPA (vinylidene diphosphonic acid) is disclosed. The products can be produced in a stable, substantially pure form and in high yield. The method includes the azeotropic removal of water from salts of &agr;-hydroxy-alkane diphosphonic acid dimer or corresponding acids thereof, and the pyrolysis of the dehydrated reactant at a temperature of from 170° C. to 300° C. There may be included a step to convert anhydrides which have been formed during the pyrolysis. The method may include the use of heat transfer agents and/or bases, and may be carried out at elevated or reduced pressure.
摘要翻译: 公开了一种制备烯烃膦酸及其盐的方法,例如VDPA(亚乙烯基二膦酸)。 产品可以以稳定的,基本上纯的形式和高产率生产。 该方法包括从α-羟基 - 烷烃二膦酸二聚体或其相应的酸的盐共沸除去水,以及脱水反应物在170℃至300℃的温度下的热解。可以包括 转化在热解过程中形成的酸酐的步骤。 该方法可以包括使用热传递剂和/或碱,并且可以在升高或降低的压力下进行。
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公开(公告)号:US20120142918A1
公开(公告)日:2012-06-07
申请号:US13146243
申请日:2010-01-26
IPC分类号: C07F9/6584 , C07C45/50 , C07C209/60 , C07C4/06 , C07D301/03 , C07C29/00 , C07C2/42 , C07F19/00 , C07F7/08
CPC分类号: C07F9/6584
摘要: A caged phosphine product is provided which can act as a ligand to form a metal complex. The metal complex can be used as a catalyst. The caged phosphine is a compound of formula (I): or a salt thereof; wherein the groups R1 and R8 each independently represent: (a) no substituent group; (b) an oxide substituent group ═O; (c) a sulphide substituent group ═S; (d) a selenide substituent group ═Se; (e) a C1-C8 alkyl substituent group; (f) a C6-C8 aryl substituent group or a 5 to 8 membered ring hetero aryl substituent group; or (g) a Lewis acid substituent group; wherein the groups R2, R3, R4, R5, R6 and R7 each independently represent: (1) no substituent group; (2) a hydrogen substituent group; (3) a C1-C8 alkyl substituent group; (4) a C1-C8 alkoxy substituent group; or (5) a C1-C8 acyl substituent group; and wherein X represents a linking group that is selected from: (i) a C1-C12 alkylene linking group; (ii) an ether linking group; (iii) a C2-C6 alkenylene linking group; (iv) an ester linking group; (v) a (hetero)arylene linker; (vi) an amine linker; or (vii) a thioether linker.
摘要翻译: 提供笼式磷化氢产物,其可以用作配体以形成金属络合物。 金属络合物可用作催化剂。 笼式膦是式(I)的化合物或其盐; 其中基团R 1和R 8各自独立地表示:(a)没有取代基; (b)氧化物取代基= (c)硫化物取代基基团= (d)硒化物取代基基团∈Se; (e)C1-C8烷基取代基; (f)C6-C8芳基取代基或5至8元环杂芳基取代基; 或(g)路易斯酸取代基; 其中基团R 2,R 3,R 4,R 5,R 6和R 7各自独立地表示:(1)没有取代基; (2)氢取代基; (3)C1-C8烷基取代基; (4)C1-C8烷氧基取代基; 或(5)C1-C8酰基取代基; 并且其中X表示选自以下的连接基团:(i)C1-C12亚烷基连接基团; (ii)醚连接基团; (iii)C 2 -C 6亚烯基连接基团; (iv)酯连接基团; (v)(异)亚芳基连接体; (vi)胺连接体; 或(vii)硫醚接头。
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