Pyridazines, LIV : On the Synthesis of Pyridazine-Fused S-Heterocycles: Thienopyridazine, Pyrimidothienopyridazine, and Pyridazinobenzothiazine

DOI: 10.1007/BF00809662

Source and publish data:

Monatshefte fur Chemie p. 413 - 418 (1991)

Update date:2022-08-04

Topics: Synthesis Regioselectivity Characterization Yield Nucleophilic substitution Cyclization Aromaticity Ring Fusion Heterocyclic Chemistry Nitrogen Heterocycles Electrophilic Aromatic Substitution Multicomponent reactions Sulfur heterocycles Pyridazines Fused heterocycles

Authors:

Czech, Karin

Haider, Norbert

Heinisch, Gottfried

Read Full Text PDF DownLoad Join now for total 90,000,000 free articles

Article abstract of DOI:10.1007/BF00809662

Starting from 3-chloro-4-pyridazinecarbonitrile (1), the thienopyridazine derivatives 2 and 3 were prepared.Condensation of 3 with triethyl orthoformate afforded the novel tricyclic system 4.Reaction of 1 with 2-aminothiophenol, followed by treatment with

Full text of DOI:10.1007/BF00809662

Products guided by the article

Product name:ethyl 3-(2-aminophenylthio)-4-pyridazinecarboxylate

Cas No:135128-12-0

R&D Labs maybe for 135128-12-0

ANHUI WEICHI CHEMICAL CO.,LTD

website:http://www.weichichem.com

Contact:+8613912949432

Address:Fine Chemical Industrial Base,Wujiang town,He County,Anhui China.
suzhou chukai pharmateach co,.ltd

Contact:86-512-88812511

Address:Building 3, Wujiang Scientific Innovation Park, 2358 Changan Rd, Wujiang 215200, Jiangsu Province, P. R. China
Shanghai Standard Biotech Co., Ltd.

Contact:+86-18502101150

Address:Room 103, Building 2nd, NO.720, Cailun Road , Pudong District, Shanghai, China
SHANXI XINTIANYUAN PHARMACEUTICAL CO., LTD.

website:http://www.tychemical.com

Contact:0086-358-3521713 3521715

Address:No. 1 Yintong Road, Shanxi Jiaocheng Economic Development Zone, Xiajiaying Town, Jiaocheng County, Lvliang City, Shanxi Province, China
TAIXING BEST NEW MATERIALS CO., LTD

Contact:0523-87998158;

Address:No.18 Zhonggang Road，Taixing City ，Jiangsu , China

Relevant to this article

Metal-alane adducts with zero-valent nickel, cobalt, and iron

Doi:10.1021/ja2099744
(2011)
Thermodynamics of supramolecular naphthalenediimide nanotube formation: The influence of solvents, side chains, and guest templates

Doi:10.1021/ja2088647
(2012)
Molecular sieves mediated green per-O-acetylation of carbohydrate templates and lipase catalyzed regioselective alcoholysis of 2,3,5-Tri-O-acetyl-D-ribonolactone

Doi:10.5935/0103-5053.20150037
(2015)
A new green approach for the synthesis of 12-aryl-8,9,10,12-tetrahydrobenzo[a]xanthene-11-one derivatives using task specific acidic ionic liquid [NMP]H₂PO₄

Doi:10.1016/j.cclet.2014.05.014
(2014)
Use of alkyl 2,4,6-triisopropylbenzoates in the asymmetric homologation of challenging boronic esters

Doi:10.1039/c1cc14469c
(2011)
Synthesis of pyrazolo[3,4-d]pyrimidin-4-ones catalyzed by Bronsted-acidic ionic liquids as highly efficient and reusable catalysts

Doi:10.1002/cjoc.201180411
(2011)

Article Doi