Abstract: A controller for a wireless digital addressable lighting interface (DALI) compatible system comprises physical layer circuitry configured to communicate information wirelessly with one or more secondary devices of the DALI system, and processing circuitry operatively coupled to the physical layer circuitry. The processing circuitry is configured to encode a forward packet to be sent to a secondary device of the one or more secondary devices. The forward packet includes an extended address that includes an address of the secondary device and an address of a DALI luminary device of the DALI system connected to the secondary device.

Abstract: A controller for a wireless digital addressable lighting interface (DALI) compatible system comprises physical layer circuitry configured to communicate information wirelessly with one or more secondary devices of the DALI system, and processing circuitry operatively coupled to the physical layer circuitry. The processing circuitry is configured to encode a forward packet to be sent to a secondary device of the one or more secondary devices. The forward packet includes an extended address that includes an address of the secondary device and an address of a DALI luminary device of the DALI system connected to the secondary device.

Abstract: The present invention relates to a method for the preparation of cephalosporin antibiotic of the formula (II), which comprises hydrolyzing and halogenating the ester of formula (III) by photochemical irradiation in one pot using a halogenating agent in the absence or presence of a solvent, to produce compound of formula (I), activating the 4-halogeno-2-substitutedimino-3-oxo-butyric acid of formula (I) using conventional activation agents gives compound of formula (IV), condensing the activated compound of the formula (IV) with 7-amino cephem derivative of the formula (V) to produce a compound of formula (VI), and cyclizing the compound of formula (VI) with thiourea to give cephalosporin compounds of the formula (II).

Abstract: The present invention relates to preparation of Ceftiofur acid of formula (I), and its pharmaceutically acceptable salts. The process includes the steps of (i) condensing an activated derivative of wherein the activated derivative is selected from acid halides, mixed anhydrides and active amides, and wherein X represents halogen atom selected from chlorine and bromine, with silylated derivative of wherein R represents p-methoxybenzyl, p-nitrobenzyl or diphenylmethyl in the presence of a solvent at −40° C. to 0° C. to produce (ii) cyclising (V) with thiourea in the presence of water miscible solvent and sodium acetate at room temperature to produce cephalosporin (iii) deesterifying (VI) to produce (I) using anisole/trifluoroacetic acid, phenol/trifluoroacetic acid or formic acid at 0° C. to 10° C. and, if desired, (iv) converting (I), to its pharmaceutically acceptable salt.

Abstract: The present invention relates to a new method for the preparation of Ceftiofur acid of formula (I), 1

Abstract: The present invention relates to a process for the preparation of 4-halogeno-2-substitutedimino-3-oxo-butyric acid of formula (I) 1