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ChemicalBook >> CAS DataBase List >>7-Bromo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine

7-Bromo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine

7-Bromo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine Structure
7-Bromo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine structure
CAS No.
34950-82-8
Chemical Name:
7-Bromo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine
Synonyms
7-bromo-2H,3H,4H-pyrido[3,2-b][1,4]oxazine;7-bromo-3,4-dihydro-2H-pyrido[3,2-β][1,4]oxazine;7-BROMO-3,4-DIHYDRO-2H-PYRIDO[3,2-B][1,4]OXAZINE;2H-Pyrido[3,2-b]-1,4-oxazine, 7-bromo-3,4-dihydro-
CBNumber:
CB8853534
Molecular Formula:
C7H7BrN2O
Molecular Weight:
215.05
MDL Number:
MFCD09025906
MOL File:
34950-82-8.mol
MSDS File:
SDS
Last updated:2026-05-28 03:28:41
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7-Bromo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine Properties

Melting point 116 °C
Boiling point 316.8±42.0 °C(Predicted)
Density 1.619±0.06 g/cm3(Predicted)
storage temp. Keep in dark place,Sealed in dry,Room Temperature
pka 7.32±0.20(Predicted)
form solid
Appearance Light yellow to green yellow Solid
InChI 1S/C7H7BrN2O/c8-5-3-6-7(10-4-5)9-1-2-11-6/h3-4H,1-2H2,(H,9,10)
InChIKey CYISPVTTZWJFEO-UHFFFAOYSA-N
SMILES Brc1cnc2NCCOc2c1
UNSPSC Code 12352200

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302+H312+H332-H319-H335-H315
Precautionary statements  P264-P280-P302+P352-P321-P332+P313-P362-P264-P280-P305+P351+P338-P337+P313P
WGK Germany  3
HazardClass  IRRITANT
Storage Class 11 - Combustible Solids
NFPA 704
1
2 0

7-Bromo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine price More Price(37)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich ADE001250 7-Bromo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine Aldrich 34950-82-8 1g $870 2026-04-30 Buy
Matrix Scientific 048483 7-Bromo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine 34950-82-8 1.00g $86 2026-05-18 Buy
Matrix Scientific 048483 7-Bromo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine 34950-82-8 5.00g $137 2026-05-18 Buy
Matrix Scientific 048483 7-Bromo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine 34950-82-8 25.00g $670 2026-05-18 Buy
Synthonix B38194 7-Bromo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine 95+% 34950-82-8 250mg $36 2026-05-06 Buy
Product number Packaging Price Buy
ADE001250 1g $870 Buy
048483 1.00g $86 Buy
048483 5.00g $137 Buy
048483 25.00g $670 Buy
B38194 250mg $36 Buy

7-Bromo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine Chemical Properties, Uses, Production

Synthesis

3,4-Dihydro-2H-pyrido[3,2-b][1,4]oxazine

20348-23-6

7-Bromo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine

34950-82-8

3,4-Dihydro-2H-pyrido[3,2-b][1,4]oxazine (500 mg, 3.67 mmol) was used as starting material and dissolved in DMF (10 mL). To this solution was added N-bromosuccinimide (NBS, 719 mg, 4.04 mmol) at 0 °C. The reaction mixture was stirred continuously for 2 h at 0 °C. Upon completion of the reaction, the reaction was quenched with saturated aqueous NaHCO3 solution and stirring was continued for 20 min at 0 °C. The resulting precipitate was collected by filtration and the solid product was washed with water and dried under vacuum to afford 7-bromo-3,4-dihydro-2H-pyrido[3,2-b]-1,4-oxazine (549 mg, 2.55 mmol, 69.5% yield) as a brown solid. The product was analyzed by mass spectrometry (ESI+) with a measured value of 215.2 (M + H).1H NMR (300 MHz, CDCl3) δ: 3.50-3.58 (2H, m), 4.18-4.26 (2H, m), 4.82 (1H, brs), 7.10 (1H, d, J = 1.9 Hz), 7.72 (1H, d, J = 2.3 Hz).

References

[1] Patent: WO2018/30550, 2018, A1. Location in patent: Paragraph 0596
[2] Patent: EP2341052, 2011, A1. Location in patent: Page/Page column 40
[3] Acta Chemica Scandinavica (1947-1973), 1971, vol. 25, p. 3135 - 3143
[4] Patent: KR101576386, 2015, B1. Location in patent: Paragraph 0158-0160

7-Bromo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine Preparation Products And Raw materials

Raw materials

3,4-Dihydro-2H-pyrido[3,2-b][1,4]oxazine N,N-Dimethylformamide N-Bromosuccinimide

Preparation Products

7-Bromo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine Suppliers

Global Suppliers ( 78)
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Wuhan Chemwish Technology Co., Ltd 86-027-67849912 sales@chemwish.com China 35884 56
Capot Chemical Co., Ltd +86 (0) 571 85 58 67 18 China 18187 66
Accela ChemBio Co.,Ltd. 021-50795510 4000665055 marketing@accelachem.com China 10972 64
Shanghai civi chemical technology co.,Ltd 86-21-34053660 sale@labgogo.com China 9853 52
Thermo Fisher Scientific 800-810-5118 cnchemical@thermofisher.com China 17752 75
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd. 025-66113011 13913916777 cfzhang@aikonchem.com China 19902 55
Shanghai Keepontech Co.,Ltd 021-54849683 13601642561 sales@keepontech.com China 998 59
9ding chemical ( Shanghai) Limited 4009209199 sales@9dingchem.com China 22497 55
Bide Pharmatech Ltd. 400-164-7117 18317119277 product02@bidepharm.com China 40000 60
Supplier Advantage
J & K SCIENTIFIC LTD. 76
Wuhan Chemwish Technology Co., Ltd 56
Capot Chemical Co., Ltd 66
Accela ChemBio Co.,Ltd. 64
Shanghai civi chemical technology co.,Ltd 52
Thermo Fisher Scientific 75
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd. 55
Shanghai Keepontech Co.,Ltd 59
9ding chemical ( Shanghai) Limited 55
Bide Pharmatech Ltd. 60

View Latest Price from 7-Bromo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
7-Bromo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine pictures 2024-08-08 7-Bromo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine
34950-82-8
 $1.00 1KG 99% 20T Shaanxi Dideu Medichem Co. Ltd

7-Bromo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine Spectrum

7-Bromo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine(34950-82-8)1HNMR

34950-82-8 (7-Bromo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine) Related Search:

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7-bromo-2H,3H,4H-pyrido[3,2-b][1,4]oxazine 7-BROMO-3,4-DIHYDRO-2H-PYRIDO[3,2-B][1,4]OXAZINE 7-bromo-3,4-dihydro-2H-pyrido[3,2-β][1,4]oxazine 2H-Pyrido[3,2-b]-1,4-oxazine, 7-bromo-3,4-dihydro- 34950-82-8