title: Hybrid macrocycle formation and spiro annulation on cis-syn-cis-tricyclo[6.3.0.0(2,6)]undeca-3,11-dione and its congeners via ring-closing metathesis.
abstract: We have developed a simple methodology to transform cis-syn-cis-triquinane derivative 2 into the diindole based macrocycle 6 involving Fischer indolization and ring-closing metathesis (RCM). Various spiro-polyquinane derivatives have been assembled via RCM as a key step.
authors.affiliation: Department of Chemistry, Indian Institute of Technology-Bombay, Powai, Mumbai-400 076, India.
authors.forename: Sambasivarao
authors.initials: S
authors.lastname: Kotha
authors.affiliation: Department of Chemistry, Indian Institute of Technology-Bombay, Powai, Mumbai-400 076, India.
authors.forename: Ajay Kumar
authors.initials: AK
authors.lastname: Chinnam
authors.affiliation: Department of Chemistry, Indian Institute of Technology-Bombay, Powai, Mumbai-400 076, India.
authors.forename: Rashid
authors.initials: R
authors.lastname: Ali
keywords: Fischer indolization; aza-polyquiananes; macrocycles; ring-closing metathesis; spiropolyquinanes