The directed lithiation of some 3-acylchromone acetals

Daia, G.Elena, Gabbutt, Christopher D., Hepworth, John D., Heron, B. Mark, Hibbs, David E. and Hursthouse, Michael B. (1998) The directed lithiation of some 3-acylchromone acetals. Tetrahedron Letters, 39 (10). pp. 1215-1218. ISSN 0040-4039

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Abstract

3-Acylchromone acetals are lithiated at C-2. Subsequent electrophilic trapping gives chromones 4 together with a ring-contracted dimer 6. During the formation of some acetals, an acid-catalysed rearrangement to a 2-substituted 3-formylchromone acetal is observed.

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https://eprints.hud.ac.uk/id/eprint/14994

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https://eprints.hud.ac.uk/id/eprint/14994

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https://eprints.hud.ac.uk/id/eprint/14994

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https://eprints.hud.ac.uk/id/eprint/14994

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https://eprints.hud.ac.uk/id/eprint/14994

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https://eprints.hud.ac.uk/id/eprint/14994

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Title:

The directed lithiation of some 3-acylchromone acetals

Creators:

Daia, G.Elena, Gabbutt, Christopher D., Hepworth, John D., Heron, B. Mark, Hibbs, David E. and Hursthouse, Michael B.

Identification Number:

10.1016/S0040-4039(97)10733-X

Official URL:

http://dx.doi.org/10.1016/S0040-4039(97)10733-X

Date:

March 1998

Subjects:

Q Science > Q Science (General)
Q Science > QD Chemistry

Schools:

School of Applied Sciences

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Item Type:

Article

Depositing User:

Sharon Beastall

Date Deposited:

20 Sep 2012 12:28

Revision:

13

Last Modified:

28 Aug 2021 11:21

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