A green chemical approach for silicon containing 4-iodo-3-trimethylsilylpyrano[4,3-b]quinolines, 8 is established through DIH mediated regioselective electrophilic iodocyclisation of unactivated internal alkynes, 7 with high yields. An excellent 6-endo-dig regioselectivity owing to the behaviour of DIH in different solvents was observed. [Figure not available: see fulltext.]. © 2020, Springer Nature B.V.

Nawaz Khan F

Department of Chemistry

School of Advanced Sciences

Vellore Campus

R. Dalavai

Vellore Institute of Technology (VIT) is a private university located in&nbsp;Tamil Nadu, India. Founded in 1984, as Vellore Engineering College, the institution offers 20 undergraduate, 34 postgraduate, four integrated and four research programs. It has campuses in Vellore, Amravati, Bhopal and Chennai.

VIT is one of the top ranked private universities in India according to NIRF, THE and QS Rankings.&nbsp;Govt. of India has recognized&nbsp;VIT, Vellore as an&nbsp;Institution of Eminence. This has allowed VIT to take independent quality initiatives and move up in world ranking.

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VIT University

Silicon

In Water: Green Chemical Approach of 4-Iodo-3-(Trimethylsilyl)-1H-Pyrano[4,3-b]Quinolines through 1,3-Diiodo-5,5-Dimethylhydantoin (DIH) Mediated Regioselective Electrophilic Cyclisation of O-Alkynyl Aldehydes

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ISSN	1876990X