Basf Se Corporation

Yuichi Nishimae

Keita Tanaka

Hisatoshi Kura

Kazuhiko Kunimoto

Ryuhei Yamagami

Hitoshi Yamato

Toshikage Asakura

Helmut Reichelt

Robert Send

Peter Erk

Junichi Tanabe

Akira Matsumoto

Christian Eickhoff

Rüdiger Sens

Sudhakar Sundarraj

Sheeja Bahulayan

Oxime ester compounds of the formula I, II, III, IV or V whereinZ is for example Zfor is NO, unsubstituted or substituted C-Caroyl or unsubstituted or substituted C-Cheteroaroyl; provided that at least one Zis other than NO; Zis for example unsubstituted or substituted C-Caroyl; R, R, R, R, Rand Rfor example are hydrogen, halogen, or unsubstituted or substituted C-Calkyl, unsubstituted or substituted C-Caryl, or unsubstituted or substituted C-Cheteroaryl; R, R, R, Rand Rfor example are hydrogen, halogen, OR, unsubstituted or substituted C-Calkyl; provided that Rand Rare neither hydrogen nor fluorine; Ris for example unsubstituted or substituted C-Caryl or C-Cheteroaryl Q is for example C-Carylene or C-Cheteroarylene; Qis &#x2014;C-Calkylene-CO&#x2014;; Qis naphthoylene; Qis for example phenylene; L is for example O-alkylene-O&#x2014;; Ris for example hydrogen or C-Calkyl; Ris for example hydrogen, or unsubstituted or substituted C-Calkyl; are effective photoinitiators.

Oxime ester photoinitiators

Oxime ester compounds of the formula I, II, III, IV or V wherein Z is for example Zfor is NO, unsubstituted or substituted C-Caroyl or unsubstituted or substituted C-Cheteroaroyl; provided that at least one Zis other than NO; Zis for example unsubstituted or substituted C-Caroyl; R, R, R, R, Rand Rfor example are hydrogen, halogen, or unsubstituted or substituted C-Calkyl, unsubstituted or substituted C-Caryl, or unsubstituted or substituted C-Cheteroaryl; R, R, R, Rand Rfor example are hydrogen, halogen, OR, unsubstituted or substituted C-Calkyl; provided that Rand Rare neither hydrogen nor fluorine; Ris for example unsubstituted or substituted C-Caryl or C-Cheteroaryl Q is for example C-Carylene or C-Cheteroarylene; Qis &#x2014;C-Calkylene-CO&#x2014;; Qis naphthoylene; Qis for example phenylene; L is for example O-alkylene-O&#x2014;; Ris for example hydrogen or C-Calkyl; Ris for example hydrogen, or unsubstituted or substituted C-Calkyl; are effective photoinitiators.

The present invention relates to a photoactive material comprising a donor substance and an acceptor substance, wherein the donor substance comprises or consists of one or more compounds of formula (I) described herein, or the acceptor substance comprises or consists of one or more compounds of formula (I) described herein, or the donor substance comprises or consists of a first compound of formula (I) described herein and the acceptor substance comprises a second compound of formula (I) described herein with the proviso that the first and second compound are not the same, as well as to an organic solar cell comprising said photoactive material. The present invention also relates to a photoelectric conversion device comprising or consisting of two or more organic solar cells comprising said photoactive material and to compounds of formula (I) as described herein for use as donor substance or as acceptor substance in a photoactive material, Further, the present invention relates to the use of a compound of formula (III) as described herein in the synthesis of a compound of formula (I)as described herein.

Compounds with terminal heteroarylcyanovinylene groups and their use in organic solar cells

Oxime ester compounds of the formula I, II, III, IV or V, wherein Z is for example (formula A); Zfor is NO, unsubstituted or substituted C-Caroyl or unsubstituted or substituted C-Cheteroaroyl; provided that at least one Zis other than NO; Zis for example unsubstituted or substituted C-Caroyl; R, R, R, R, Rand Rfor example are hydrogen, halogen, or unsubstituted or substituted C-Calkyl, unsubstituted or substituted C-Caryl, or unsubstituted or substituted C-Cheteroaryl; R, R, R, Rand Rfor example are hydrogen, halogen, OR, unsubstituted or substituted C-Calkyl; provided that Rand Rare neither hydrogen nor fluorine; Ris for example unsubstituted or substituted C-Caryl or C-Cheteroaryl Q is for example C-Carylene or C-Cheteroarylene; Qis &#x2014;C-Calkylene-CO&#x2014;; Qis naphthoylene; Qis for example phenylene; L is for example O-alkylene-O&#x2014;; Ris for example hydrogen or C-Calkyl; Ris for example hydrogen, or unsubstituted or substituted C-Calkyl; are effective photoinitiators. 

Oxime ester compounds of formula (I), wherein R, R, R, R, R, R, R, R, R, and Rindependently of each other are hydrogen, C-Calkyl, (A), COR, NO, or OR; provided that at least one of R, R, R, R, R, R, R, R, R, and Ris (A), and provided that at least one of the remaining R, R, R, R, R, R, R, R, R, and Ris CORor NO; Ris for example C-Calkyl, M or (B); X and Xare for example a direct bond; Rand R'are for example hydrogen or C-Calkyl; Rand R&#x2032;are for example C-Caryl or C-Cheteroaryl; M is (X), (Y) or (Z); Xis O, S or NR; Rand Rare for example phenyl; R, R, R, R, R, or Rfor example are hydrogen, COR, NO, or (B); provided that at least two oxime ester groups are present in the molecule; are useful as photoinitiators. 

Compounds of the formula (I), wherein R, R, R, R, R, R, Rand Rfor example independently of each other are hydrogen, C-Calkyl, (II), CORor NO, provided that at least one pair of Rand R, Rand R, Rand R, Rand R, Rand R, or Rand Ris (III); R, R, Rand Rfor example independently of each other are hydrogen, C-Calkyl which optionally substituted; or R, R, R, and Rindependently of each other are unsubstituted or substituted phenyl; X is CO or a direct bond; Ris for example C-Calkyl which optionally is substituted, C-Calkenyl, C-Ccycloalkenyl, C-Calkinyl, C-C-cycloalkyl, phenyl or naphthyl both of which are optionally substituted; Ris for example hydrogen, C-Ccycloalkyl, C-Calkenyl, C-Calkoxy, C-Calkyl, phenyl or naphthyl; Ris for example C-Caryl or C-Cheteroaryl; Ris for example C-Caryl which is unsubstituted or substituted by one or more C-Calkoxy or C-Calkyl; are in particular suitable as photoinitiators for color filter applications. 

Oxime ester

Compounds of the formula (I), wherein Aris for example phenylene or biphenylene both unsubstituted or substituted; Arand Arare for example independently of each other phenyl, naphthyl, biphenylylyl or heteroaryl, all optionally substituted; or Arand Arfor example together with a direct bond, O, S or (CO), form a fused ring system; R is for example hydrogen, C-Ccycloalkyl or C-Calkyl; and R, Rand Rindependently of each other are for example C-Chaloalkyl; are effective photoacid generators (PAG). 

Sulfonium derivatives and the use therof as latent acids

The invention pertains to a compound generating an acid of the formula I or II, for instance corresponding sulfonium and iodonium salts, as well as corresponding sulfonyloximes whereinX is CHor CO; Y is O, NR, S, O(CO), O(CO)O, O(CO)NR, OSO, O(CS), or O(CS)NR; Ris for example C-Calkyl, C-Chaloalkyl, C-Calkenyl, C-Ccycloalkenyl, phenyl-C-C-alkyl, C-Ccycloalkyl, C-Ccycloalkyl-C-Calkyl, interrupted C-Calkyl, interrupted C-Ccycloalkyl, interrupted C-Ccycloalkyl-C-Calkyl, interrupted C-Ccycloalkenyl, phenyl, naphthyl, anthracyl, phenanthryl, biphenylyl, fluorenyl or heteroaryl, all unsubstituted or are substituted; or Ris NRR; Rand Rare for example C-Ccycloalkylene, C-Ccycloalkyl-C-Calkylene, C-Calkylene, C-Chaloalkylene, C-Calkenylene, C-Ccycloalkenylene, phenylene, naphthylene, anthracylene, phenanthrylene, biphenylene or heteroarylene; all unsubstituted or substituted; Ris for example C-Ccycloalkyl, C-Ccycloalkyl-C-Calkyl, C-Calkyl, C-Chaloalkyl, C-Calkenyl, C-Ccycloalkenyl, phenyl-C-C-alkyl; Rand Rare for example C-Ccycloalkyl, C-Ccycloalkyl-C-Calkyl, C-Calkyl, C-Chaloalkyl, C-Calkenyl, C-Ccycloalkenyl, phenyl-C-C-alkyl, Ar, (CO)R, (CO)ORor SOR; and Ar is phenyl, biphenylyl, fluorenyl, naphthyl, anthracyl, phenanthryl or heteroaryl, all unsubstituted or substituted.

Growing community of inventors

Ibaraki, Japan

Yuichi Nishimae