2 article(s) from Ushakov, Igor A
- Full Research Paper
- Published 12 Apr 2022
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Scheme 1: Scope of the reaction of bromopropargylic alcohol 1a and phenols 2b–i.
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Scheme 2: Reaction of bromopropargylic alcohol 1b and phenols 2a and 2d.
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Scheme 3: Reaction of bromopropargylic alcohol 1c and phenol (2a).
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Scheme 4: Reaction of chloropropargylic alcohol and phenol (2a).
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Scheme 5: Reaction of bromopropargylic alcohol 1a and anilines.
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Scheme 6: Control experiments.
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Scheme 7: A plausible mechanism for the formation of phenoxyhydroxyketone 4.
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Scheme 8: A plausible mechanism for the formation of diphenoxyketone 5.
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Scheme 9: Examples of representative preparation of phenoxyketones 4.
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Scheme 10: α-Ketol rearrangement of phenoxyketones 4a and 4f.
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- Full Research Paper
- Published 29 Jan 2021
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Figure 1: Biologically active di- and tetrahydropyridazines.
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Scheme 1: Recyclization of hydroxypyrrolines with hydrazine derivatives.
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Scheme 2: Synthesis of tetrahydropyridazines 3.
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Scheme 3: Synthesis of dihydropyridazines 4.
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Scheme 4: Recyclization of hydroxypyrroline 1a with hydrazides 2d and 2e.
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Scheme 5: A proposed mechanism for the recyclization of hydroxypyrrolines 1 with hydrazides 2.
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