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Synthesis of 3-hexahelicenol and its transformation to 3-hexahelicenylamines, diphenylphosphine, methyl carboxylate, and dimethylthiocarbamate

. 2003 Jun 27 ; 68 (13) : 5193-7.

Status PubMed-not-MEDLINE Language English Country United States Media print

Document type Journal Article

Persistent link   https://www.medvik.cz/link/pmid12816476

A nonphotochemical synthetic route to 3-hexahelicenol is reported. It involves a key [2+2+2] cycloisomerization of CH(3)O-substituted triyne that is readily available from 1-methoxy-3-methylbenzene and 1-bromo-2-(bromomethyl)naphthalene. Further functional group transformations led to 3-CO(2)CH(3), 3-NH(2), 3-PPh(2), and 3-SC(O)N(CH(3))(2) substituted hexahelicenes.

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