236406-39-6Relevant articles and documents
Synthesis method of 2, 8-diazaspiro [4.5] decane-8-tert-butyl formate
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Paragraph 0040-0042; 0044, (2021/07/17)
The invention discloses a synthesis method of 2, 8-diazaspiro [4.5] decane-8-tert-butyl formate. The synthesis method comprises the following steps: 1, in a first reaction solvent, reacting a compound 1 with 1-bromo-2-chloroethane under the action of alkali to obtain a compound 2; 2, in a second reaction solvent, reducing the compound 2 by a reducing agent and then performing a cyclization reaction automatically, and obtaining a compound 3. The method has the advantages of easily available raw materials, convenience in operation, short route, high total yield, suitability for industrial production and the like, and mainly solves the technical problem that no suitable industrial synthesis method exists at present.
Spirocyclic derivatives
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Page/Page column 205, (2016/04/09)
The present invention provides compounds of formula (I): compositions comprising such compounds; the use of such compounds in therapy (for example in the treatment or prevention of a disease, disorder or condition ameliorated by inhibition of a dopamine transporter); and methods of treating patients with such compounds; wherein R1, R2, R3, R4, R5, R6, R9, R10, Q, X, Y, Z, A, L, B, m, n and p are as defined herein.
Rifamycin derivatives
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Page/Page column 55, (2008/06/13)
Novel rifamycin derivatives of formula I (both hydroquinone and corresponding quinone (C1-C4) forms): or their salts, hydrates or prodrugs thereof, wherein: a preferred R comprises hydrogen, acetyl; L is a linker, a preferred linker group elements selected from any combination of 1 to 5 groups shown FIG. 1, provided L is not wherein R1 is H, methyl or alkyl. The inventive compounds exhibit valuable antibiotic properties. Formulations having these compounds can be used in the control or prevention of infectious diseases in mammals, both humans and non-humans. In particular, the compounds exhibit a pronounced antibacterial activity, even against multiresistant strains of microbes.