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Tetrahedron Letters

Tetrahedron Letters

IF: 1.5
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One-pot synthesis of pyrazole-5-carboxylates by cyclization of hydrazone 1,4-dianions with diethyl oxalate

Published:14 May 2007 DOI: 10.1016/j.tetlet.2007.03.093
Tuan Thanh Dang , Tung Thanh Dang , Peter Langer

Abstract

The cyclization of hydrazone dianions with diethyl oxalate afforded pyrazole-5-carboxylates.

Synthesis

Cyclohexanone
4,5,6,7-TETRAHYDRO-1H-INDAZOLE-3-CARBOXYLIC ACID ETHYL ESTER

Substances (2)

Related products
Procduct Name CAS Molecular Formula Supplier Price
Diethyl oxalate 95-92-1 C6H10O4 474 suppliers $5.00-$1000.00
3-Ethoxy-4-methoxybenzaldehyde hydrazone 1177111-23-7 1 suppliers Inquiry

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