Homoallenic alcohols are versatile building blocks in synthetic chemistry. We present a protocol for their synthesis using an allenyl radical-involved radical-polar crossover process, and successfully prepare 5-methyl-1-phenyl-3-tosylhexa-3,4-dien-1-ol.
Homoallenic alcohols are versatile building blocks to access complex molecules in synthetic chemistry. We present a protocol for accessing homoallenic alcohols by an allenyl radical-involved radical-polar crossover process. We describe steps for preparing solvents and the photoreactor and synthesizing 5-methyl-1-phenyl-3-tosylhexa-3,4-dien-1-ol 3 in 85% yield. In addition, 5-methyl-1-phenyl-3-tosylhexa-3,4-dien-1-ol 3 has been successfully synthesized in 2-mmol scale. This protocol is also applicable to the synthesis of homoallenic amides.For complete details on the use and execution of this protocol, please refer to Wei et al. (2023).1
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