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Showing 1 to 7 of 7 for “"oxidative rearrangement"”.
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Synthesis and electron spin resonance spectroscopy of organo-sulfur radical cations
… radical cations were generated by oxidative rearrangement. Thus, 2,2-dialkyl-1,3-dithiolanes rearranged to form 2,3-dihydro-1,4-dithiin radical cations when treated with either H(,2)SO(,4) or Al(,2)Cl(,6)/CH(,2)Cl(,2). Similarly, 2,3-dialkyl-1,3-benzodithioles rearranged to form the …
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Synthetic applications of the aza-Achmatowicz rearrangement
… containing compounds has been achieved. The oxidative rearrangement of N-acyl 2-furylamines, termed the Aza-Achmatowicz rearrangement, generates a product with a high density of differentiable functionalities. This characteristic of the product makes it an excellent building block for the …
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Conjugate Additions and Transposition of the Allylic Alcohols of Enol Ethers of 1, 2-Cyclohexanedione.
… alkylation with an organometalic reagent, and oxidative rearrangement with pyridinium chlorochromate followed by the conjugate addition reactions. Protection of 1, 2-cyclohexanedione was achieved by reacting with chloro tert-butyldimethyl silane and subjected to alkylation. Steric problems were …
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Synthetic Studies Towards the Crisamicins
… is based on a double furofuran annulation/oxidative rearrangement strategy that has been successfully used by this research group to prepare a related dimeric pyranonaphthoquinone based on the actinorhodin skeleton. The retrosynthesis that was adopted (see Scheme 1.47, page 59) required the …
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EXPLORATIONS IN MEDIUM-RING ETHER SYNTHESIS VIA UMPOLUNG HETEROATOM ACTIVATION: TOTAL SYNTHESIS, METHODS DEVELOPMENT, AND REAGENT SYNTHESIS
… nitrogen-ligated HVI (NHVI)-mediated oxidative rearrangement represents and innovative approach to the Heliannuols by providing expedient access to the challenging cyclic ether scaffold via umpolung reactivity of cyclic alcohols.This dissertation provides the unified synthesis and …
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Total syntheses of (+̲)-Methyl cantabrenonate, (+̲)-Methyl epoxycantabronate, and (+̲)-Crinipellin B
… THF. The resultant allylic alcohol 249 underwent oxidative rearrangement to furnish the enedione 267. Two synthetic steps provided the enedione epoxide 188, which was converted into (±)-crinipellin B (15).