4,5-Dichloro-7H-pyrrolo[2,3-d]pyrimidine

4,5-Dichloro-7H-pyrrolo[2,3-d]pyrimidine - Names and Identifiers

Name	4,5-Dichloro-7H-pyrrolo[2,3-d]pyrimidine
Synonyms	5-Chloro-4-chloro-7H-pyrr... 4,5-dichloro-1H-pyrrolo[2,3-d]pyrimidine 4,5-Dichloro-7H-pyrrolo[2,3-d]pyrimidine 4,5-Dichloro-7H-pyrrolo[2,3-d]pyrimidine 7H-Pyrrolo[2,3-d]pyrimidine, 4,5-dichloro- 7H-pyrrolo[2,3-d]pyrimidine, 4,5-dichloro- 5-Chloro-4-chloro-7H-pyrrolo[2,3-d]pyrimidine
CAS	115093-90-8
InChI	InChI=1/C6H3Cl2N3/c7-3-1-9-6-4(3)5(8)10-2-11-6/h1-2H,(H,9,10,11)

4,5-Dichloro-7H-pyrrolo[2,3-d]pyrimidine - Physico-chemical Properties

Molecular Formula	C6H3Cl2N3
Molar Mass	188.01
Density	1.79±0.1 g/cm3(Predicted)
Melting Point	290 °C
Boling Point	220.9±50.0 °C(Predicted)
Flash Point	203.556°C
Vapor Presure	0mmHg at 25°C
pKa	9.52±0.20(Predicted)
Storage Condition	under inert gas (nitrogen or Argon) at 2-8°C
Refractive Index	1.724

4,5-Dichloro-7H-pyrrolo[2,3-d]pyrimidine - Introduction

4,5-Dichloro-7H-pyrrolo [2,3-D] pyrimidine is an organic compound, also known as DDP. The following is a detailed description of its nature, use, formulation and safety information:

1. nature:
-Appearance: 4,5-dichloro-7H-pyrrolo [2,3-D] pyrimidine is a colorless to pale yellow crystalline solid.
-Solubility: It is soluble in many organic solvents, but has low solubility in water.
-Melting point: Its melting point is about 245-250°C.
-Chemical properties: 4,5-dichloro-7H-pyrrolo [2,3-D] pyrimidine has good chemical stability, but it will decompose under high temperature and strong alkali conditions.

2. use:
-Pesticide: 4,5-dichloro-7H-pyrrolo [2,3-D] pyrimidine is a broad-spectrum pesticide and herbicide that can be used to control pests and weeds in farmland.
-Medicine: It is also used as an intermediate for some drugs and for the synthesis of other organic compounds.
-Research: Because of its chemical reaction activity, it is widely used in organic chemical synthesis and natural product research.

3. Preparation method:
The preparation of 4,5-dichloro-7H-pyrrolo [2,3-D] pyrimidine usually involves the following steps:
-First, 3,4-dichloro-1H-pyrrolo [2,3-D] pyrimidine reacts with sodium hydroxide to produce the intermediate 4,5-dichloro-1H-pyrrolo [2,3-D] pyrimidine.
-Then, the intermediate reacts with nitrosodimethylamine to obtain the target product 4,5-dichloro-7H-pyrrolo [2,3-D] pyrimidine through a nucleophilic aromatic substitution reaction.

4. Safety Information:
-4,5-dichloro-7H-pyrrolo [2,3-D] pyrimidine has certain toxicity. Safety procedures should be followed. Protective gloves, protective glasses and protective clothing should be worn during operation.
-Avoid contact with skin and eyes. In case of contact, rinse immediately with plenty of water and seek medical help.
-Pay attention to fire and explosion prevention during storage and handling, and avoid contact with strong oxidants and strong acids.

Please note that when using and handling this compound, relevant regulations and safe operating procedures should be followed to ensure safety and protective measures.

Last Update：2024-04-09 21:04:16