Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
オキシラン、アジリジンまたはシクロプロパンの製造法
Document Type and Number:
Japanese Patent JP3759950
Kind Code:
B2
Abstract:
PCT No. PCT/GB94/02280 Sec. 371 Date Mar. 15, 1996 Sec. 102(e) Date Mar. 15, 1996 PCT Filed Oct. 19, 1994 PCT Pub. No. WO95/11230 PCT Pub. Date Apr. 27, 1995A process for the preparation of an oxirane, aziridine or cyclopropane of formula (I) wherein, X is oxygen, NR4 or CHR5; R1 is hydrogen, alkyl, aryl, heteroaromatic, heterocyclic or cycloalkyl; R2 is hydrogen, alkyl, aryl, heteroaromatic, CO2R8, CHR14NHR13, heterocyclic or cycloalkyl; or R1 and R2 join together to form a cycloalkyl ring; R3 is hydrogen, alkyl, aryl, heteroaromatic, CO2R8, R83Sn, CONR8R9 or trimethylsilyl; R4 and R5 are, independently, alkyl, cycloalkyl, aryl, heteroaromatic, SO2R8, SO3R8, COR8, CO2R8, CONR8R9 or CN, or R4 can also be P(O)(aryl)2; R8 and R9 are independently alkyl, aryl or arylalkyl; R13 and R14 are independently hydrogen, alkyl or aryl; the process comprising reacting a mixture of a compound of formula (II), wherein R1, R2 and X are as defined above, and a sulphide of formula SR6R7, wherein R6 and R7 are independently alkyl, aryl or heteroaomatic, or R6 and R7 join together to form a cycloalkyl ring which optionally includes an additional heteroatom, with either (i) a metallocarbon obtainable by reacting an alkylmetal with a methane derivative of formula CHR3X'X'', wherein R3 is as defined above, and X' and X'' are independently, a leaving group, or (ii) a metallocarbon obtainable by reacting a compound of formula (III), (wherein R3 may not be hydrogen) with a suitable organometallic or inorganic reagent.

Inventors:
Aggarwal, Varinder Kumar
Abdel-Rahman, Hesham Nimer Hasan
Lee, Hey Yun
Application Number:
JP51151195A
Publication Date:
March 29, 2006
Filing Date:
October 19, 1994
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Avesia Limited
International Classes:
C07B37/10; C07B41/00; C07B43/00; C07C2/86; C07C13/04; C07C13/28; C07C45/68; C07C49/293; C07C69/743; C07C69/753; C07C211/16; C07C303/30; C07C303/34; C07C303/40; C07C315/04; C07D203/02; C07D203/22; C07D203/24; C07D301/02; C07D303/04; C07D303/08; C07D303/16; C07D303/40; C07D303/46; C07D407/04; C07F9/564
Domestic Patent References:
JP4617766B1
Attorney, Agent or Firm:
Kazuo Shamoto
Shosuke Imai
Tadashi Masui
Tadahiko Kurita
Yasushi Kobayashi
Hiroyuki Tomita



 
Previous Patent: 遮光剤及び皮膜組成物

Next Patent: 薬学的乳剤