Triphenyl Phosphonium Perchlorate Catalyzed Imino Diels–Alder Reactions: Diastereoselective Synthesis of Indolylquinolines

Yusuf Zulykama Organic Chemistry Division, Central Leather Research Institute, Adyar, Chennai, 600 020, India

Rajagopal Nagarajan Organic Chemistry Division, Central Leather Research Institute, Adyar, Chennai, 600 020, India

Paramasivan T. Perumal Organic Chemistry Division, Central Leather Research Institute, Adyar, Chennai, 600 020, IndiaCorrespondence[email protected]

Abstract

Indolylpyranoquinolines and indolylcyclopentaquinolines were synthesized by triphenyl phosphonium perchlorate (TPP) catalyzed imino Diels–Alder reaction of indolylimines with 3,4‐dihydro‐2H‐pyran and cyclopentadiene, respectively.

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Acknowledgment

We thank the Council of Scientific and Industrial Research, New Delhi, India for financial support.

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Triphenyl Phosphonium Perchlorate Catalyzed Imino Diels–Alder Reactions: Diastereoselective Synthesis of Indolylquinolines

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Triphenyl Phosphonium Perchlorate Catalyzed Imino Diels–Alder Reactions: Diastereoselective Synthesis of Indolylquinolines

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