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- W2155492077 abstract "Bei −78°C reagieren die Dialkylthioketene 1a–d mit Phenyl- und Methyllithium unter thiophiler Addition zu den Thioäthern 3a–d und 4. Die carbenoide Zwischenstufe konnte für 2c mit Kohlendioxid und mit Methyljodid zu 7 und 8 abgefangen werden. Bei Raumtemperatur gehen die Carbenoide 2b–d α-Eliminierung zu den Alkylidencarbenen 15b–d ein, die zu den Butatrienen 13b–d, den Alkenen 14b–d und für 15d zum CH-Insertionsprodukt 16 weiterreagieren. Thiophilic Addition of Phenyllithium to Thioketenes At −78°C the dialkylthioketenes 1a–d react with phenyl-and methyllithium in thiophilic additions to give the thioethers 3a–d and 4. The carbenoid intermediate 2c could be trapped with carbon dioxide or methyl iodide to 7 and 8. At room temperature α-elimination occurs in the carbenoids 2b–d with formation of the alkylidencarbenes 15b–d, which react further to yield the butatrienes 13b–d, the alkenes 14b–d, and in the case of 15d to give the CH-insertion product 16." @default.
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- W2155492077 date "1974-11-01" @default.
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- W2155492077 title "Thiophile Addition von Phenyllithium an Thioketene" @default.
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- W2155492077 doi "https://doi.org/10.1002/cber.19741071111" @default.
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