A sustainable metal-free and additive-free olefination route to N-heteroazaarenes from methyl-substituted heterocycles and amines.
RSC Adv
; 14(7): 4339-4344, 2024 Jan 31.
Article
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| MEDLINE
| ID: mdl-38304557
ABSTRACT
A green and sustainable metal-free, additive-free olefination approach is proposed for the facile synthesis of various unsaturated N-heteroazaarenes from simple methyl-substituted heteroarenes and amines. The developed protocol employs only air as the sole oxidant and provides a useful strategy for obtaining various E-selective conjugated heterocyclic olefins. This provides a useful strategy for application in generating grams of a variety of unsaturated N-heteroazaarenes (up to 20.33 grams) and the synthetic imaging agents of STB-8 (2.40 gram) with high regioselectivity in one pot.
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01-internacional
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MEDLINE
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En
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RSC Adv
Año:
2024
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Article