一二三四区视频,亚洲少妇熟女色,日本久热无码视频网,欧美国产日韩大尺度,亚洲a视频,久久少妇一区二区,日韩999无码视频,刺激久久久久久久,啊啊啊啊不要啊在线

ChemicalBook >> journal list >> Tetrahedron Letters >>article
Tetrahedron Letters

Tetrahedron Letters

IF: 1.5
Download PDF

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 502 suppliers $5.00-$1000.00
3-Ethoxy-4-methoxybenzaldehyde hydrazone 1177111-23-7 - Inquiry

Similar articles

IF:1.5

The Mechanism for the Reaction of Biguanides with Diethyl Oxalate

Chemical & pharmaceutical bulletin S. Hayashi,?M. Furukawa,etc Published: 25 March 1968
IF:0

One-Pot Direct Synthesis of Amides or Oxazolines from Carboxylic Acids Using Deoxo-Fluor Reagent.

ChemInform Cyrous O. Kangani, David E. Kelley,etc Published: 7 March 2006
IF:1.7

Fluoro-ketones VII. Synthesis of perfluoro mono- and di-ketones from perfluoro-grignard or lithium reagents and diethyl carbonate and diethyl oxalate

Journal of Fluorine Chemistry Loomis S. Chen , Grace J. Chen ,etc Published: 1 November 1984
邢台市| 土默特左旗| 当涂县| 广德县| 华蓥市| 通江县| 绥宁县| 绥化市| 斗六市| 嘉禾县| 金寨县| 南江县| 饶阳县| 上蔡县| 兰州市| 榆社县| 峡江县| 威远县| 蓬安县| 富蕴县| 紫云| 盐城市| 泰宁县| 汉源县| 临夏市| 射阳县| 黎城县| 农安县| 宣武区| 库尔勒市| 杭锦后旗| 根河市| 富宁县| 城口县| 莒南县| 武清区| 马龙县| 长宁区| 博白县| 正镶白旗| 晴隆县|