Basf Se Corporation

Keita Tanaka

Hisatoshi Kura

Kazuhiko Kunimoto

Yuichi Nishimae

Ryuhei Yamagami

Toshikage Asakura

Hitoshi Yamato

Akira Matsumoto

Kaori Sameshima

Yuki Matsuoka

Yuichi Nishimale

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.

Compounds of the formula (I) and (IA) wherein X is &#x2014;O(CO)&#x2014;; Ris C-Chaloalkyl or C-Chaloaryl; Ris located in position 7 of the coumarinyl ring and is OR; Ra, Rb and RC independently of each other are hydrogen; Ris C-Chaloalkyl or C-Chaloalkyl; Ris hydrogen; and Ris C-CalkyI; are suitable as photosensitive acid donors in the preparation of photoresist compositions such as used for example in the preparation of spacers, insulating layers, interlayer dielectric films, insulation layers, planarization layers, protecting layers, overcoat layers, banks for electroluminescence displays and liquid crystal displays (LCD). 

Latent acids and their use

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

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.

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Nishinomiya, Japan

Keita Tanaka