MICROWAVE-ACCELERATED SYNTHESIS OF 4-CHLOROTETRAHYDROPYRANS BY BISMUTH(III) CHLORIDE*

J. S. Yadav Organic Chemistry Division-I, Indian Institute of Chemical Technology, Hyderabad, 500 007, IndiaCorrespondence[email protected]

B. V. Subba Reddy Organic Chemistry Division-I, Indian Institute of Chemical Technology, Hyderabad, 500 007, India

Ch. Venugopal Organic Chemistry Division-I, Indian Institute of Chemical Technology, Hyderabad, 500 007, India

R. Srinivas Organic Chemistry Division-I, Indian Institute of Chemical Technology, Hyderabad, 500 007, India

T. Ramalingam Organic Chemistry Division-I, Indian Institute of Chemical Technology, Hyderabad, 500 007, India

ABSTRACT

The cross-coupling reaction of homoallyl alcohols with aldehydes in the presence of bismuth trichloride in solvent-free conditions generated 4-chloro-2,6-disubstituted tetrahydropyrans in high yields with high diastereoselectivity. Improved yields and reduced reaction times are achieved in this transformation by employing microwave irradiation.

* IICT Communication No. 4702.

ACKNOWLEDGMENT

BVS & RS thank CSIR, New Delhi for the award of fellowships.

Notes

* IICT Communication No. 4702.

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MICROWAVE-ACCELERATED SYNTHESIS OF 4-CHLOROTETRAHYDROPYRANS BY BISMUTH(III) CHLORIDE*

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MICROWAVE-ACCELERATED SYNTHESIS OF 4-CHLOROTETRAHYDROPYRANS BY BISMUTH(III) CHLORIDE*

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ACKNOWLEDGMENT

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