Basf Se Corporation

Ciba Specialty Chemicals Corporation

Teva Pharmaceutical Industries Limited

Clap Co., Ltd.

Hans Jürg Kirner

Frank Bienewald

Olivier Frédéric Aebischer

Ulrich Berens

Martin Studer

Stephan Burkhardt

Franz Schwarzenbach

Peter Nesvadba

Pascal Hayoz

Andreas Hafner

Paul Adriaan Van Der Schaaf

Natalia Chebotareva

Reinhold Öhrlein

Patrice Bujard

Peter Murer

Jean-Charles Flores

Emmanuel Martin

Gabriele Baisch

Mathieu G R Turbiez

Marta Fonrodona Turon

Mathias Düggeli

Martin Szelagiewicz

Beat Schmidhalter

Thomas Schäfer

Marcel Kastler

Matthias Welker

Kai-Uwe Schöning

Andreas Burkhard

Ashok Kumar Mishra

Paul Van Der Schaaf

Thomas Weitz

Mi Zhou

Claudia Marcolli

Iori Doi

Jordan Kopping

Bernd Tieke

Chongjun Jiao

Martinus Maria Wienk

René Albert Johan Janssen

Jiao Chongjun

Doi Iori

Mathieu GR Turbiez

Yu Zhu

The present invention relates to an electronic device comprising a dielectric material, which dielectric material comprises a copolymer comprising styrene and maleimic acid and derivatives thereof as structural units, a process for the preparation of the electronic device and to the use of the copolymer as dielectric material, especially as dielectric layer in printed electronic devices such as capacitors and organic field-effect transistors.

Soluble cyclic imides containing polymers as dielectrics in organic electronic applications

The present invention provides compounds of formula (1) wherein o is 1, 2 or 3, p is 0, 1 or 2, n is 0, 1 or 2, m is 0, 1 or 2, and A is a mono- or polycyclic ring system, which may contain at least one heteroatom, and an electronic device comprising the compounds as semiconducting material. 

Heteroacene compounds for organic electronics

The present invention relates to polymers comprising a repeating unit of the formula (I), and their use as organic semiconductor in organic electronic devices, especially in organic photovoltaics and photodiodes, or in a device containing a diode and/or an organic field effect transistor. The polymers according to the invention can have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the polymers according to the invention are used in organic field effect transistors, organic photovoltaics (solar cells) and photodiodes. 

Functionnalized benzodithiophene polymers for electronic application

The present invention relates to polymers comprising one or more (repeating) unit(s) of the formula (I) which are characterized in that Arand Arare independently of each other are an annulated (aromatic) heterocyclic ring system, containing at least one thiophene ring, which may be optionally substituted by one, or more groups, and their use as organic semiconductor in organic devices, especially in organic photovoltaics (solar cells) and photodiodes, or in a device containing a diode and/or an organic field effect transistor. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the polymers according to the invention are used in organic field effect transistors, organic photovoltaics (solar cells) and photodiodes. 

Diketopyrrolopyrrole polymers for use in organic semiconductor devices

The present invention relates to novel compounds of the formula (I) wherein Rand R' independently of each other are H or a substituent, halogen or SiRRR; Rand Rmay be the same or different and are selected from C-Calkyl, C-C-cycloalkyl, C-Calkenyl, C-Calkynyl, C-Caryl, C-Calkylaryl or C-Caralkyl, each of which is unsubstituted or substituted, and under conditions as defined in claim, R2 and/or R2&#x2032; may also be halogen or hydrogen; X is a divalent linking group selected from formula (Ia) and formula (Ib); Y and Y&#x2032; independently are selected from formula (Ic), formula (Id), formula (Ie), formula (If), formula (Ig); n and p independently range from 0 to 6; where further symbols are as defined in claim, and to corresponding oligomers and (co)polymers. The compounds according to the invention are useful as semiconductors and have excellent solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the polymers according to the invention are used in organic field effect transistors, organic photovoltaics (solar cells) and photodiodes. 

Polycyclic dithiophenes

The present invention provides a process for the preparation of a transistor on a substrate, which transistor comprises a layer, which layer comprises polyimide B, which process comprises the steps of

Polyimides as dielectric

Monomeric or polymeric compounds comprising at least one moiety of the formula (Ia) wherein X is CR, where R is H or a substituent as defined in claim, or is another ketopyrrole moiety e.g. of the formula (Ib) or (Ic) with this moiety and all other symbols are as defined in claim, show good solubility in organic solvents and excellent film-forming properties. In addition, high efficiency of energy conversion, excellent field-effect mobility, good on/off current ratios and/or excellent stability can be observed, when the polymers according to the invention are used in semiconductor devices or organic photovoltaic (PV) devices (solar cells). 

Ketopyrroles as organic semiconductors

A process for the preparation of a substituted 2,2'-dithiophene is described, which process comprises the steps (a), (c) and optional steps (b) and (d): a reaction of a compound of the formula: with a suitable lithium organic compound, preferably Li-alkyl or Li-alkylamide; b) optional exchange of lithium against another metal selected from Mg1 Zn and Cu; c) reaction of the metallated intermediate obtained in step (a) or (b) with a suitable electrophil, which is COor an aldehyde (addition reaction), or a compound Y&#x2032;&#x2014;R17 or Y&#x2032;&#x2014;R18-Z (substitution reaction), where R17 and R18 are as defined in claim; and optionally d) modification of the product obtained in step (c), e.g. by introducing one or more conjugating moieties Y ring closure between suitable monovalent residues R17, exchange or extension of functional groups or substituents such as addition to carbonyl or substitution of carbonyl in R17 or R18. The products, including or corresponding polymers, are excellent conducting materials 

Substituted oligo- or polythiophenes

The invention relates to a semiconductor device comprising a compound of the formula I and of the formula XXI, wherein the symbols have the meanings defined in the specification, to the novel compounds of the formula I and XXI and to the use of such a compound as an organic semiconductor for the preparation of an electronic device, and further compounds and devices, as well as other embodiments given in the specification. 

Organic semiconductors and their manufacture

A novel semiconductor device comprises an azaperylene organic semiconductor of the formula I wherein the substitutents are defined herein.

Azaperylenes as organic semiconductors

The invention relates to novel synthesis methods for the preparation of the intermediates, which are suitable for the preparation of statin derivatives, especially to novel synthesis methods of the intermediate of formula VI wherein Rand Rare each independently of the other hydrogen or a hydroxy-protecting group or together are a bridging hydroxy-protecting group, and Ris a carboxy-protecting group, which methods are carried out by conversion of the intermediate of formula XIX wherein Rand Rare each independently of the other hydrogen or a hydroxy-protecting group, and Ris a carboxy-protective group. 

Process for the preparation of 7-amino syn 3,5-dihydroxy heptanoic acid derivatives via 6-cyano syn 3,5-dihydroxy hexanoic acid derivatives

Sertraline hydrochloride polymorphic form II is conveniently prepared by adding hydrogen chloride to solution of sertraline free amine in a ketone. In preferred processes, the solution of sertraline free amine seeded with some crystals of polymorphic form II and/or the solution is heated before addition of the hydrogen chloride.

Polymorphic forms of sertraline hydrochloride

An amine ether of formula A wherein a is 1 or 2; and when a is 1, E is E'; when a is 2, E is L;  The products of present process find utility as polymerization regulators and/or light stabilizers for organic material.

Process for the synthesis of amine ethers from secondary amino oxides

The invention relates to novel synthesis methods for the preparation of the intermediates, which are suitable for the preparation of statin derivatives, especially to novel synthesis methods of the intermediate of formula VI wherein Rand Rare each independently of the other hydrogen or a hydroxy-protecting group or together are a bridging hydroxy-protecting group, and Ris a carboxy-protecting group, which methods are carried out by conversion of the intermediate of formula XIX wherein Rand Rare each independently of the other hydrogen or a hydroxy-protecting group, and Ris a carboxy-protective group 

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Basel, Switzerland

Hans Jürg Kirner