7-Bromo-4-chromanone
- Name 7-Bromo-4-chromanone
- CAS 18442-22-3
- Purity 99%
Product Details
Quality products?make an important contribution to long-term revenue and profitability. Manufacturer supply 7-Bromo-4-chromanone 18442-22-3 with sufficient stock and high standard
1.What is the 7-Bromo-4-chromanone ?
Used as a?intermediate for??R & D.
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288067-35-6
4-bromo-2-hydroxy-benzonitrile
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-
18442-22-3
7-Bromo-2,3-dihydro-4H-chromen-4-one
| Conditions | Yield |
|---|---|
|
Multi-step reaction
with
4
steps
1.1: tetrahydrofuran / Inert atmosphere; Cooling
1.2: 24 h / 25 °C
2.1: toluene / 16 h / Reflux
3.1: hydrogenchloride / dichloromethane; water / 2 h / Reflux
4.1: diisobutylaluminium hydride / toluene; tetrahydrofuran / 1.5 h / -78 °C / Inert atmosphere
With
hydrogenchloride; diisobutylaluminium hydride;
In
tetrahydrofuran; dichloromethane; water; toluene;
|
|
|
Multi-step reaction
with
4
steps
1.1: tetrahydrofuran; diethyl ether / 17.5 h / -40 - 20 °C / Inert atmosphere
1.2: 24 h / 20 °C
2.1: toluene / 16 h / Reflux
3.1: hydrogenchloride / dichloromethane; water / 2 h / Reflux
4.1: diisobutylaluminium hydride / tetrahydrofuran; toluene / 1.5 h / -78 °C / Inert atmosphere
With
hydrogenchloride; diisobutylaluminium hydride;
In
tetrahydrofuran; diethyl ether; dichloromethane; water; toluene;
|
-
-
30186-18-6
4'-bromo-2'-hydroxyacetophenone
-
-
18442-22-3
7-Bromo-2,3-dihydro-4H-chromen-4-one
| Conditions | Yield |
|---|---|
|
Multi-step reaction
with
3
steps
1.1: toluene / 17 h / 35 - 80 °C
2.1: hydrogenchloride / dichloromethane / 0.5 h / Reflux
3.1: diisobutylaluminium hydride / n-heptane; tetrahydrofuran / 0.5 h / -78 °C
3.2: silica gel / 20 °C
With
hydrogenchloride; diisobutylaluminium hydride;
In
tetrahydrofuran; n-heptane; dichloromethane; toluene;
|
|
|
Multi-step reaction
with
3
steps
1: toluene / 4 h / Reflux
2: hydrogenchloride / water; dichloromethane / 0.67 h / Reflux
3: diisobutylaluminium hydride / tetrahydrofuran / 0.5 h / -78 °C
With
hydrogenchloride; diisobutylaluminium hydride;
In
tetrahydrofuran; dichloromethane; water; toluene;
|
|
|
Multi-step reaction
with
3
steps
1: toluene / 16 h / Reflux
2: hydrogenchloride / dichloromethane; water / 2 h / Reflux
3: diisobutylaluminium hydride / toluene; tetrahydrofuran / 1.5 h / -78 °C / Inert atmosphere
With
hydrogenchloride; diisobutylaluminium hydride;
In
tetrahydrofuran; dichloromethane; water; toluene;
|
|
|
Multi-step reaction
with
3
steps
1: toluene / 16 h / Reflux
2: hydrogenchloride / dichloromethane; water / 2 h / Reflux
3: diisobutylaluminium hydride / tetrahydrofuran; toluene / 1.5 h / -78 °C / Inert atmosphere
With
hydrogenchloride; diisobutylaluminium hydride;
In
tetrahydrofuran; dichloromethane; water; toluene;
|
2.What is the CAS number for 7-Bromo-4-chromanone ?
The CAS number of 7-Bromo-4-chromanone is 18442-22-3.
More information of 7-Bromo-4-chromanone 18442-22-3 are:
|
CAS?Number |
18442-22-3 |
|
Density |
1.622 g/cm3 |
|
Boiling Point |
336.585 °C at 760 mmHg |
|
Flash Point |
157.361 °C |
|
Vapor Pressure |
0mmHg at 25°C |
|
Refractive Index |
1.599 |
|
HS CODE |
2932999099 |
|
PSA |
26.30000 |
|
LogP |
2.41430 |
3.What are another words for 7-Bromo-4-chromanone ?
Synonyms?for?7-Bromo-4-chromanone 18442-22-3:7-Bromo-4-chromanone;
4.What is the molecular formula of 7-Bromo-4-chromanone?
The chemical formula of ?7-Bromo-4-chromanone is?C9H7BrO2 which containing 9 Carbon atoms,7 Hydrogen atoms,1 Bromine atoms and 2 Oxygen atoms,and the molecular weight of??7-Bromo-4-chromanone?is 227.057.
5.What is 7-Bromo-4-chromanone (18442-22-3) used for?
InChI:InChI=1/C9H7BrO2/c10-6-1-2-7-8(11)3-4-12-9(7)5-6/h1-2,5H,3-4H2
Relevant articles related to 7-Bromo-4-chromanone:
|
Article |
Source |
|
Acid activated montmorillonite K-10 mediated intramolecular acylation: Simple and convenient synthesis of 4-chromanones |
Begum, Ayisha F.,Balasubramanian, Kalpattu K.,Shanmugasundaram, Bhagavathy , (2021/09/13) |
|
PPAR (peroxisome proliferator-activated receptor) agonist and application thereof to treatment of senile dementia and other diseases |
- , (2018/07/30) |
6.Buy 7-Bromo-4-chromanone with the best price .
hebei qiute trade co., LTD is a quality supplier of 7-Bromo-4-chromanone. Our main goal is customer satisfaction. Contact us to negotiate the best price for your business on 7-Bromo-4-chromanone 18442-22-3.
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