18 research outputs found

    Brackish water culture fisheries: A comment

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    Based on the papers and proceedings of The National Workshop on Development of Inland Fishery Resources, sponsored by the Ministry of Agriculture, Govemment of India, and held during November 1-3, 1983 at Ahmedabad under the joint auspices of the Centre for Management in Agriculture, Indian Institute of Management, Ahmedabad, and the Indian Society of Agricultural Economics, Bomba

    Peptide Bond Formation via Nα-Protected Diacyldiselenides

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    Abstract A simple, straightforward, for the peptide bond formation employing corresponding carboxylic acids and amines derived from amino acids via Nα -protected diacyldiselenide is delineated. The key step of the synthesis is the in situ generation of Nα -protected diacyldiselenide using NaBH2Se3 as selenating reagent, followed by trapping with an amino acid ester leading to the peptide. The formation of Nα -protected diacyldiselenide was confirmed through TLC and HRMS analysis using crude sample. The reaction is clean and all the products were obtained in moderate to good yields, including for sterically hindered amino acids. The protocol is free from racemisation, compatible with Fmoc, Cbz and Boc groups

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    Not AvailableBased on the papers and proceedings of The National Workshop on Development of Inland Fishery Resources, sponsored by the Ministry of Agriculture, Govemment of India, and held during November 1 -3, 1983 at Ahmedabad under the joint auspices of the Centre for Management in Agriculture, Indian Institute of Management, Ahmedabad, and the Indian Society of Agricultural Economics, BombayNot Availabl

    The synthesis of Nα-protected amino hydroxamic acids from Nα-protected amino acids employing versatile chlorinating agent CPI-Cl

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    Racemization free synthesis of Nα-protected amino hydroxamic acids from Nα-protected amino acids employing the versatile chlorinating reagent CPI-Cl has been described in one-pot. The present protocol has shown compability towards urethane protecting groups like Boc, Cbz and Fmoc, and side chain protections of amino acids showed complete tolerance. © ARKAT USA, In
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