4,7-DICHLORO-THIENO[2,3-D]PYRIDAZINE

4,7-DICHLORO-THIENO[2,3-D]PYRIDAZINE - Names and Identifiers

Name	4,7-DICHLORO-THIENO[2,3-D]PYRIDAZINE
Synonyms	4,7-DICHLORO-THIENO[2,3-D]PYRIDAZINE Thieno[2,3-d]pyridazine, 4,7-dichloro-
CAS	699-89-8

4,7-DICHLORO-THIENO[2,3-D]PYRIDAZINE - Physico-chemical Properties

Molecular Formula	C6H2Cl2N2S
Molar Mass	205.06
Density	1.662±0.06 g/cm3(Predicted)
Melting Point	157-158 °C
Boling Point	409.6±40.0 °C(Predicted)
pKa	-2?+-.0.40(Predicted)
Storage Condition	under inert gas (nitrogen or Argon) at 2–8 °C

4,7-DICHLORO-THIENO[2,3-D]PYRIDAZINE - Reference Information

Uses

4, 7-dichlorothieno [2,3-D] pyridazine can be used as an intermediate in pharmaceutical synthesis, which can be used from 3-thiophene formic acid As the reaction raw material, the intermediate thiophene -2, 3-dicarboxylic acid is prepared, which is further obtained by reacting with methanol to ester, and then reacted with hydrazine hydrate and phosphorus oxychloride.

Last Update：2024-04-10 22:29:15