Patent number: 8614357
Abstract: SBF derivatives, represented with the following formula: SBF-X wherein: with m=0, 1, 2 or 3; p=positive integer,; n=positive integer; L: is the same or different and independently represents C, PR, AsR, SbR, BiR, S, Se, Te, S?Y, Se?Y or Te?Y; Y: is the same or different and independently represents O, S, Se or Te; K: is the same or different and independently represents a chemical bond or a group selected from O, S, BR(2?p), N, NR(2?p), R(2?p)P?O, B3O3, (PR)3N3, CR(3?p), CR(3?p)(C6H4)(p+1), SiR(3?p)(C6H4)(p+1) alkyne, substituted alkyne, alkyne, substituted alkyne, aromatic or R substituted aromatic, heteroaromatic-or a combination of two, three or four of the above mentioned groups; SBF: spiro-compound of formula (I): R, A, B, C, D: is the same or different and independently represents H, deuterium, F, Cl, Br, I, CN, a linear, branched or cyclic alkyl, alkoxy or thioalkoxy chain, or a combination from two, three or four of these systems; two or more substituents R can form a further monocyclic or
Type:
Grant
Filed:
July 15, 2005
Date of Patent:
December 24, 2013
Assignee:
Merck Patent GmbH
Inventors:
Liliana Bagala'Rampazzo, Giulia Fioravanti, Leonardo Mattiello
Patent number: 8067643
Abstract: Compounds of the formula (I), L, L?, L?, L1, L?1, L?1, L2, L?2, L?2, L3, L?3, L?3, L4, L?4, L?4, L5, L?5, L?5, L6, L?6, L?6, L7, L?7, L?7, L8, L?8 and L?8 independently of one another are hydrogen or an organic substituent; and/or one or more of the pairs L3 and L5, L?3 and L?5 or L?3 and L?5 together denote a single bond, provided that the respective X, X? or X? is not a single bond; and/or L3 and L5, L?3 and L?5 or L?3 and L?5 together denote an organic linking group; and/or one or more of the pairs L1 and L3, L1 and L, L5 and L7, L?1 and L?3, L?1 and L?, L?5 and L?7, L?1 and L?3, L?1 and L?, or L?5 and L?7, together denote an organic linking group; provided that at least one of L, L?, L?, L1, L?1, L?1, L2, L?2, L?2, L3, L?3, L?3, L4, L?4, L?4, L5, L?5, L?5, L6, L?6, L?6, L7, L?7, L?7, L8, L?8 and L?8 is other than hydrogen; X, X? and X? independently of one another are a single bond, CRaRb O, S, NRc or NCORc; Ra, Rb and Rc independently of one another are hydrogen or an organic substituent; and Y is an ino
Type:
Grant
Filed:
April 4, 2007
Date of Patent:
November 29, 2011
Assignee:
BASF SE
Inventors:
Pascal Hayoz, Stephan Ilg