METHOD FOR PRODUCING BENZOXAZOLE DERIVATIVE HAVING BICYCLIC PIPERAZINE RING OR SALT THEREOF, AND METHOD FOR PRODUCING MATERIAL THEREOF

A method for producing a compound represented by formula (1) or a salt thereof, the method comprising: a step B for producing a compound represented by formula (3) [in formula (3), Boc represents a tert-butoxycarbonyl group] or a salt thereof by using a compound represented by formula (2) [in formul...

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Bibliographic Details
Main Authors FUSHIHARA Kenichi, TSUMURA Takeshi, MOURI Shinsuke, OKUE Masayuki, SASAKI Toshiro, ISSHIKI Satoshi
Format Patent
LanguageEnglish
Spanish
Published 12.12.2023
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Summary:A method for producing a compound represented by formula (1) or a salt thereof, the method comprising: a step B for producing a compound represented by formula (3) [in formula (3), Boc represents a tert-butoxycarbonyl group] or a salt thereof by using a compound represented by formula (2) [in formula (2), Ra represents a hydrogen atom or an optionally substituted arylmethyl group, Rb represents an optionally substituted alkyl group or a cyclic alkyl group, R3 represents a hydrogen atom, a halogen atom, or a thiazol-2-yl group, and Xa represents a hydrogen atom or a halogen atom] or a salt thereof; and a step C for producing the compound represented by formula (1) or a salt thereof by using the compound represented by formula (3) or a salt thereof. Un método para producir un compuesto representado por la fórmula (1): (ver Fórmula) o una sal de este, que comprende: una Etapa B de producir un compuesto representado por la fórmula (3): (ver Fórmula) [en la fórmula (3), Boc representa un grupo ter-butoxicarbonilo] o una sal de este mediante el uso de un compuesto representado por la fórmula (2): (ver Fórmula) [en la fórmula (2) Ra representa un átomo de hidrógeno o un grupo arilmetilo opcionalmente sustituido, Rb representa un grupo alquilo cíclico o alquilo opcionalmente sustituido, R3 representa un átomo de hidrógeno, un átomo de halógeno o un grupo tiazol-2-ilo y Xa representa un átomo de hidrógeno o un átomo de halógeno] o una sal de este y una Etapa C de producir el compuesto representado por la fórmula (1) o la sal de este mediante el uso del compuesto representado por la fórmula (3) o la sal de este.
Bibliography:Application Number: MX20230014123