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Alkynylation‐Desilylation‐Alkynylation‐Cycloisomerization (ADAC) Three‐Component Synthesis of 2,2′‐Biindolyls – Concise Synthesis of Tjipanazole I
Author(s) -
Kustosz Sebastian,
Niesobski Patrik,
Müller Thomas J. J.
Publication year - 2021
Publication title -
chemcatchem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.497
H-Index - 106
eISSN - 1867-3899
pISSN - 1867-3880
DOI - 10.1002/cctc.202001607
Subject(s) - cycloisomerization , alkynylation , component (thermodynamics) , chemistry , catalysis , stereochemistry , combinatorial chemistry , organic chemistry , physics , thermodynamics
A sequentially Pd/Cu‐catalyzed alkynylation‐desilylation‐alkynylation‐cycloisomerization (ADAC) process in the sense of a consecutive three‐component reaction using TIPS‐butadiyne as a four carbon building block gives a rapid and efficient access to 2,2′‐biindolyls in a one‐pot fashion. This facile entry to unsymmetrically substituted title compounds has been employed in a concise two‐step synthesis of the alga alkaloid tjipanazole I.