- Benzoisoxazole compound derivative and applications thereof
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The present invention provides a benzoisoxazole compound derivative and applications thereof. According to the present invention, the in vitro receptor binding assay results show that the compound hashigh affinity to H3 receptors, can be used for improvin
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- 7H - benzisoxazole and [7, 6 - e] [1, 3] oxazine derivative and application thereof
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The invention discloses 7H-benzo-isoxazole-[7,6-e][1,3]oxazine derivatives as shown in the formula I or pharmaceutically acceptable hydrates/salts thereof, and further discloses stereoisomers or tautomers of the 7H-benzo-isoxazole-[7,6-e][1,3]oxazine deri
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Paragraph 0016; 0018; 0019; 0022
(2017/08/14)
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- Triflic anhydride: A mild reagent for highly efficient synthesis of 1,2-benzisoxazoles, isoxazolo, and isothiazolo quinolines without additive or base
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The synthetic utility of trifluoromethanesulphonic anhydride (triflic anhydride, TA) without additive or base for the high-yielding synthesis of a wide variety of 1,2-benzisoxazoles from 2-hydroxyaryl aldoximes and ketoximes under mild conditions has been carried out for the first time. As a continuation of our study, syntheses of isoxazolo and isothiazolo quinolones have also been demonstrated using triflic anhydride under similar conditions. This method is simple and has benefits from the easy way to isolate the products in excellent yields.
- Kalkhambkar, Rajesh G.,Yuvaraj
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supporting information
p. 547 - 555
(2014/01/23)
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- 5-Thioxylopyranose Compounds
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5-thioxylose compounds, especially 5-thioxylopyranose compounds, a process for their preparation, and their use for treating and/or inhibiting thromboses, especially venous thromboses. The compounds correspond to formula I: in which the pentapyranosyl gro
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- A novel method for the highly efficient synthesis of 1,2-benzisoxazoles under neutral conditions using the Ph3P/DDQ system
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The use of Ph3P/DDQ offers a novel, neutral and highly efficient method for the efficient conversion of 2-hydroxyaryl aldoximes and ketoximes to 1,2-benzisoxazoles in excellent yields at room temperature.
- Iranpoor, Nasser,Firouzabadi, Habib,Nowrouzi, Najmeh
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p. 8247 - 8250
(2007/10/03)
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- Synthesis of New Isoxazoles from Isoxazolines, Chalkones, Chalkone Dibromides, Epoxides and Acetylated Ketoximes and Their Conversion into Novel Heterocycles
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A convenient and easy conversion of 2-isoxazolines (II) to isoxazoles (V) via N-bromosuccinimide bromination and subsequent dehydrobromination with bases is described.The isoxazoles have also been synthesized from chalkones (I), chalkone dibromides (III)
- Elkasaby, M. A.,Salem, M. A. I.
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p. 571 - 575
(2007/10/02)
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