7-Bromo-4-chromanone
7-Bromo-4-chromanone
CAS: 18442-22-3
Molecular Formula: C9H7BrO2
7-Bromo-4-chromanone - Names and Identifiers
| Name | 7-Bromo-4-chromanone |
| Synonyms | 7-Bromo Chromonone 7-Bromo-4-chromanone 7-Bromochroman-4-one C9H7BrO2 7-bromo-2,3-dihydrochromen-4-one 7-bromo-2,3-dihydrobenzopyran-4-one 7-bromo-2,3-dihydro-4H-chromen-4-one 7-broMo-3,4-dihydro-2H-1-benzopyran-4-one 7-Bromo-2,3-dihydro-4H-1-benzopyran-4-one |
| CAS | 18442-22-3 |
| EINECS | 1308068-626-2 |
| InChI | InChI=1/C9H7BrO2/c10-6-1-2-7-8(11)3-4-12-9(7)5-6/h1-2,5H,3-4H2 |
7-Bromo-4-chromanone - Physico-chemical Properties
| Molecular Formula | C9H7BrO2 |
| Molar Mass | 227.05 |
| Density | 1.621±0.06 g/cm3(Predicted) |
| Boling Point | 336.6±42.0 °C(Predicted) |
| Flash Point | 157.361°C |
| Vapor Presure | 0mmHg at 25°C |
| Storage Condition | 2-8°C |
| Refractive Index | 1.599 |
7-Bromo-4-chromanone - Introduction
7-Bromo-4-chromanone, also known as BDBK, is an organic compound. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: 7-Bromo-4-chromanone is a colorless to pale yellow crystal or powder.
-Solubility: Low solubility in water, soluble in organic solvents such as ethanol, dimethylformamide, etc.
-Stability: relatively stable at room temperature, but not light and heat resistant.
Use:
-Chemical synthesis: 7-Bromo-4-chromanone can be used as an intermediate in organic synthesis and used to synthesize other organic compounds.
-Drug research: It is also used in the field of drug research, especially in the development of anti-cancer drugs.
Method:
7-Bromo-4-chromanone is usually prepared by the following methods:
1. Using 1,4-phthalic acid as raw material, it reacts with stannous bromide under appropriate conditions to obtain 4,7-dimethyl ester chromane.
2. React 4,7-dimethyl chromane with antimony trichloride in chloroform to generate 7-Bromo-4-chromanone.
Safety Information:
-Aerosol inhalation or contact with skin may cause irritation, should avoid inhalation of dust or contact with skin.
-Wear suitable protective gloves, goggles and protective clothing during operation.
-If contact or inhalation occurs, immediately flush the affected area with plenty of water and seek medical help.
- 7-Bromo-4-chromanone should be stored in a dry, well-ventilated place, away from ignition and flammable substances.
Please use 7-Bromo-4-chromanone with caution and follow relevant safety procedures.
Nature:
-Appearance: 7-Bromo-4-chromanone is a colorless to pale yellow crystal or powder.
-Solubility: Low solubility in water, soluble in organic solvents such as ethanol, dimethylformamide, etc.
-Stability: relatively stable at room temperature, but not light and heat resistant.
Use:
-Chemical synthesis: 7-Bromo-4-chromanone can be used as an intermediate in organic synthesis and used to synthesize other organic compounds.
-Drug research: It is also used in the field of drug research, especially in the development of anti-cancer drugs.
Method:
7-Bromo-4-chromanone is usually prepared by the following methods:
1. Using 1,4-phthalic acid as raw material, it reacts with stannous bromide under appropriate conditions to obtain 4,7-dimethyl ester chromane.
2. React 4,7-dimethyl chromane with antimony trichloride in chloroform to generate 7-Bromo-4-chromanone.
Safety Information:
-Aerosol inhalation or contact with skin may cause irritation, should avoid inhalation of dust or contact with skin.
-Wear suitable protective gloves, goggles and protective clothing during operation.
-If contact or inhalation occurs, immediately flush the affected area with plenty of water and seek medical help.
- 7-Bromo-4-chromanone should be stored in a dry, well-ventilated place, away from ignition and flammable substances.
Please use 7-Bromo-4-chromanone with caution and follow relevant safety procedures.
Last Update：2024-04-09 15:17:54
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