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Abstract
Heterohelicenes continue to attract interest for their potential applications as organic chiral materials. To keep up with the demand for novel heterohelicene structures, expedient and scaleable synthetic procedures are required. We report a ‘Mallory’ photocyclisation methodology in continuous flow for the synthesis of thia-, oxa- and azahelicenes. This procedure has been sucessfully scaled-up to 9.8 mmol and can be applied to an iterative modular synthesis.
Supplementary materials
Title
Continuous photo-flow synthesis of heterohelicenes - SI
Description
Supplementary information with detailed description of the synthesis and characterisation of the described helicenes and synthetic intermediates.
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