As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch
Cas:53638-54-3
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryProduct Name: 8-NITROQUINAZOLIN-4-OL Synonyms: 8-NITROQUINAZOLIN-4-OL;8-Nitroquinazolin-4(3H)-one CAS: 53638-54-3 MF: C8H5N3O3 MW: 191.14 Appearance:white powder Storage:room tempurature Package:as
Cas:53638-54-3
Min.Order:1 Kilogram
FOB Price: $8900.0
Type:Lab/Research institutions
inquiryJ&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia
Cas:53638-54-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryZhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed
Cas:53638-54-3
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryShandong Mopai Biotechnology Co., LTD is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. W
Cas:53638-54-3
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
hight degree of purity Application:Fine chemical intermediates, used as the main raw material for he synthesis of various pesticides, medicines, surfactants, polymer monomers, Ond Ontifungal agents
Cas:53638-54-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWe product this chemical more than 10 years . We are very experience to export it to many countries, Our superior & stable quality , competitive price gain warm reception from our customers. Application:Chemical intermediate
8-Nitro-1H-quinazolin-4-one cas 53638-54-3Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G
Cas:53638-54-3
Min.Order:10 Milligram
Negotiable
Type:Lab/Research institutions
inquiryfactory,reasonable price Appearance:detailed see specifications Storage:Store in dry, dark and ventilated place. Package:according to the clients requirement Application:pharmaceutical intermediates Transportation:by courier,air or sea Port:S
1.Custom synthetic service could be provided and COA/HPLC/HNMR is available. 2.Professional synthesis laboratory and production base. 3.Strong synthesis team and service team.4.Professional data management system.5.We provide the professional test da
1. Production capacity: we have three production base with high-tech production equipment and instruments, equipped with professional production personnel, meet your requirements.2. Quality assurance: we have a first-class testing equipment and testi
FINETECH INDUSTRY LIMITED is a LONDON based CRO company providing drug discovery & development services to worldwide clients. FINETECH INDUSTRY LIMITED supplies the 8-nitroquinazolin-4-ol, CAS:53638-54-3 with the most competitive price and the best q
Antaeus-biotech with Established in July 4547 is a high-technical enterprise which focus on the development of health products. We have excellent professionals, first-class facilities and perfect management system. Through persistent efforts, we cont
We promise quality; We deliver goods timely; We test product purity before delivery;We quote price reasonabl;We guarantee after sale service.Appearance:White or off-white crystalline powder Storage:cool and dry area,avoiding light Package:1g/5g/10g/2
3-nitroanthranilic acid
formamide
8-nitroquinazoline-4(3H)-one
Conditions | Yield |
---|---|
at 140℃; | 79% |
at 210℃; | |
With trichlorophosphate at 100℃; |
2-amino-3-nitro-benzamide
N,N-dimethyl-formamide dimethyl acetal
A
8-nitroquinazoline-4(3H)-one
B
3-methyl-8-nitroquinazolin-4-one
Conditions | Yield |
---|---|
In tetrahydrofuran for 16h; | A 19% B 21% C n/a D n/a |
3-nitroanthranilic acid
8-nitroquinazoline-4(3H)-one
Conditions | Yield |
---|---|
With formamide In 2-methoxy-ethanol at 200℃; for 17h; | 14% |
3-nitroanthranilic acid
formamidine hydrochloride
8-nitroquinazoline-4(3H)-one
Conditions | Yield |
---|---|
at 200℃; |
N,N-dimethylformamide diisopropyl acetal
2-amino-3-nitro-benzamide
A
8-nitroquinazoline-4(3H)-one
B
3-methyl-8-nitroquinazolin-4-one
D
8-nitro-3-(prop-2-yl)quinazolin-4-one
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 150℃; |
3-nitroanthranilic acid
A
8-nitroquinazoline-4(3H)-one
B
3-methyl-8-nitroquinazolin-4-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: thionyl chloride / tetrahydrofuran; N,N-dimethyl-formamide / 16 h 2: tetrahydrofuran / 16 h View Scheme |
3-nitroanthranilic acid
A
8-nitroquinazoline-4(3H)-one
B
3-methyl-8-nitroquinazolin-4-one
D
8-nitro-3-(prop-2-yl)quinazolin-4-one
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: thionyl chloride / tetrahydrofuran; N,N-dimethyl-formamide / 16 h 2: N,N-dimethyl-formamide / 150 °C View Scheme |
Conditions | Yield |
---|---|
at 150℃; for 2h; Sealed tube; | 1.8 g |
Conditions | Yield |
---|---|
at 140℃; | 79% |
at 210℃; | |
With trichlorophosphate at 100℃; |
8-nitroquinazoline-4(3H)-one
8-aminoquinazolin-4(3H)-one
Conditions | Yield |
---|---|
With stannous chloride dihydrate In ethyl acetate for 8h; Reflux; | 72% |
With methanol; nickel Hydrogenation; | |
With sodium sulfide; water | |
With 10% palladium on carbon; hydrogen In methanol; N,N-dimethyl-formamide |
8-nitroquinazoline-4(3H)-one
4-chloro-8-nitroquinazoline
Conditions | Yield |
---|---|
Stage #1: 8-nitroquinazoline-4(3H)-one With trichlorophosphate In N,N-dimethyl-aniline at 0 - 65℃; for 1.5h; Stage #2: With sodium hydrogencarbonate | 59.63% |
With phosphorus pentachloride; trichlorophosphate | |
With phosphorus pentachloride; trichlorophosphate for 4h; Reagent/catalyst; Reflux; | 1 g |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: POCl3; PCl5 2: methanol 3: palladium/CaCO3; methanol / Hydrogenation View Scheme |
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