1067239-08-0Relevant articles and documents
Preparation method of oxazaspiro compound
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Paragraph 0073-0076, (2020/08/18)
The invention discloses a preparation method of an oxazaspiro compound, which comprises the following steps: by using substituted saturated azaspiro alkane (compound II) as a raw material, performinghydrolyzing under an alkaline condition to obtain a compound III; carrying out condensation reaction on the compound III and a salt of a compound IV (halogenated alkylamine)/compound IV to generate acompound V; and finally, cyclizing the compound V under an alkaline condition to obtain the lactam oxazaspiro compound I.
ANTIBACTERIAL AMINOGLYCOSIDE ANALOGS
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Page/Page column 64-65, 72, (2011/04/26)
Compounds having antibacterial activity are disclosed. The compounds have the following structure (I): (Formula (I)), including stereoisomers, pharmaceutically acceptable salts and prodrugs thereof, wherein Q1, Q2, R1, R2, R3, Z1 and Z2 are as defined herein. Methods associated with preparation and use of such compounds, as well as pharmaceutical compositions comprising such compounds, are also disclosed.
ANTIBACTERIAL AMINOGLYCOSIDE ANALOGS
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Page/Page column 51; 59, (2010/04/28)
Compounds having antibacterial activity are disclosed. The compounds have the following structure (I): (I) including stereoisomers, pharmaceutically acceptable salts and prodrugs thereof, wherein Q1, Q2, R1, R2 and R3 are as defined herein. Methods associated with preparation and use of such compounds, as well as pharmaceutical compositions comprising such compounds, are also disclosed.