C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 223/14 (2006.01) C07B 53/00 (2006.01) C07D 301/03 (2006.01) C07D 301/12 (2006.01) C07D 303/06 (2006.01) C07F 7/10 (2006.01)
Patent
CA 2228902
A compound of formula (Ia) or (Ib), wherein A and B each independently represents hydrogen or one, two or three naphthylidene substituents, which substituents are selected from C1-6 alkyl, C1-6 alkoxy, aryl, aryloxy, silyl and silyloxy; R1 represents phenyl, C1-6 alkyl, phenyl C1-6 alkyl or a moiety of formula (a): wherein R2 represents C1-6 alkyl, phenyl or benzyl, R3 represents H or OR4 wherein R4 is C1-6 alkyl or C1-6 alkylsilyl and n is zero or an integer 1 or 2; and X is a counter ion; a process for the preparation of such compounds and the use of such compounds for enantioselectively epoxidising a prochiral olefin.
Composé répondant à la formule (Ia) ou (Ib), dans laquelle A et B représentent chacun indépendamment hydrogène ou un, deux ou trois substituants naphtylidène choisis parmi alkyle C¿1-6?, alcoxy C¿1-6?, aryle, aryloxy, silyle et silyloxy; R?1¿ représente phényle, alkyl C¿1-6?, phénylalkyle C¿1-6?, ou une fraction de formule (a) dans laquelle R?2¿ représente alkyle C¿1-6?, phényle ou benzyle, R?3¿ représente H ou OR?4¿, R?4¿ représentant alkyle C¿1-6? ou alkylsilyle C¿1-6?, et n vaut zéro ou un nombre entier choisi entre 1 et 2; et X représente un contre-ion; procédé de préparation de tels composés, et leur utilisation pour époxyder de façon énatiosélective une oléfine prochirale.
Gowling Lafleur Henderson Llp
The University Of Sheffield
LandOfFree
Dinaphtazepinium salts useful as enantioselective... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Dinaphtazepinium salts useful as enantioselective..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dinaphtazepinium salts useful as enantioselective... will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1730657