Provided are sulfonamide compounds having formula (I):

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or a pharmaceutically acceptable salt thereof, wherein R, R.sup.1, R.sup.2, R.sup.3, R.sup.4 and the subscripts n and m have the meanings provided in the specification. The compounds are useful for treating diseases and conditions associated with CXCR6 activity.

The present invention relates to a cyclopropenium salt bearing an electron withdrawing group suitable for use as a reagent in cyclopropenylation reactions of formula (I). The invention also relates to a process for their preparation, the use thereof as cyclopropenylation reagent, to an electrophilic aromatic substitution process of cyclopropenylation, and to a process for cyclopropenylation of organometallic substrates using said reagents.

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The present invention relates to a cyclopropenium salt bearing an electron withdrawing group suitable for use as a reagent in cyclopropenylation reactions of formula (I). The invention also relates to a process for their preparation, the use thereof as cyclopropenylation reagent, to an electrophilic aromatic substitution process of cyclopropenylation, and to a process for cyclopropenylation of organometallic substrates using said reagents.

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Disclosed are compounds of Formula 1, including all stereoisomers, N-oxides, and salts thereof: ##STR00001##
wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, Q.sup.1, Q.sup.2, Y.sup.1, and Y.sup.2 are as defined in the disclosure. Also disclosed are compositions containing the compounds of Formula 1 and methods for controlling undesired vegetation comprising contacting the undesired vegetation or its environment with an effective amount of a compound or a composition of the invention.

Disclosed are compounds of Formula 1, including all stereoisomers, N-oxides, and salts thereof: ##STR00001##
wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, Q.sup.1, Q.sup.2, Y.sup.1, and Y.sup.2 are as defined in the disclosure. Also disclosed are compositions containing the compounds of Formula 1 and methods for controlling undesired vegetation comprising contacting the undesired vegetation or its environment with an effective amount of a compound or a composition of the invention.

The present invention provides a process for the preparation of Tipiracil HCl of Formula (I) and intermediate thereof with improved yields and purities. ##STR00001##

The present invention provides a process for the preparation of Tipiracil HCl of Formula (I) and intermediate thereof with improved yields and purities. ##STR00001##

The invention provides a compound of formula (I): wherein R1, R2, and R3 have any of the values described in the specification, as well as compositions comprising a compound of formula (I), methods for preparing compounds of formula (I), and methods for detecting the presence of an amine in a sample. The compounds are useful as pigments.

The invention provides a compound of formula (I): wherein R1, R2, and R3 have any of the values described in the specification, as well as compositions comprising a compound of formula (I), methods for preparing compounds of formula (I), and methods for detecting the presence of an amine in a sample. The compounds are useful as pigments.

An object of the present invention is to provide a novel photosensitive resin precursor that can be developed with an alkali and ring-closed even at low temperatures, and preferably has excellent thermal properties and excellent electric properties after curing, and also to provide a use application thereof. As means for achieving the object, disclosed are a bismaleimide compound comprising, in one molecule, two partial structures in each of which a carbon atom having a substituent represented by the following formula (A) (wherein Y represents a direct bond or a divalent linking group), and a carbon atom having a hydroxy group are directly bonded to each other, a polymer which is a self-polymer of the bismaleimide compound, and a benzoxazole which is an intramolecular dehydrated ring-closed product of the polymer.

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