Journal
ORGANIC LETTERS
Volume 24, Issue 23, Pages 4292-4297Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.2c01707
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Funding
- National Natural Science Foundation of China [21901175]
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A general and mild method for radical acylation of [1.1.1]propellane with aldehydes has been developed, providing straightforward access to bicyclo[1.1.1]pentane ketones with a broad substrate scope. The synthetic utility of this methodology is demonstrated by the late-stage modification of bioactive molecules and the versatile transformation of bicyclo[1.1.1]pentane ketones, making it useful for drug discovery.
Bicyclo[1.1.1]pentanes (BCPs) are widely utilized in drug design as sp(3)-rich bioisosteres for tert-butyl, internal alkynes, and aryl groups. A general and mild method for radical acylation of [1.1.1]propellane with aldehydes has been developed. The protocol provides straightforward access to bicyclo[1.1.1]pentane ketones with a broad substrate scope. The synthetic utility of this methodology is demonstrated by the late-stage modification of bioactive molecules and the versatile transformation of bicyclo[1.1.1]pentane ketones, making it useful for drug discovery.
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