Home Cart Sign in  
Chemical Structure| 500028-91-1 Chemical Structure| 500028-91-1

Structure of 500028-91-1

Chemical Structure| 500028-91-1

*Storage: {[sel_prStorage]}

*Shipping: {[sel_prShipping]}

,{[proInfo.pro_purity]}

4.5 *For Research Use Only !

{[proInfo.pro_purity]}
Cat. No.: {[proInfo.prAm]} Purity: {[proInfo.pro_purity]}

Change View

Size Price VIP Price

US Stock

Global Stock

In Stock
{[ item.pr_size ]} Inquiry {[ getRatePrice(item.pr_usd,item.pr_rate,item.mem_rate,item.pr_is_large_size_no_price, item.vip_usd) ]}

US Stock: ship in 0-1 business day
Global Stock: ship in 5-7 days

  • {[ item.pr_size ]}

In Stock

- +

Please Login or Create an Account to: See VIP prices and availability

US Stock: ship in 0-1 business day
Global Stock: ship in 2 weeks

  • 1-2 Day Shipping
  • High Quality
  • Technical Support
Product Citations

Alternative Products

Product Details of [ 500028-91-1 ]

CAS No. :500028-91-1
Formula : C9H6N2O5
M.W : 222.15
SMILES Code : O=C(NC1=C(C)C=C([N+]([O-])=O)C=C12)OC2=O

Safety of [ 500028-91-1 ]

Application In Synthesis of [ 500028-91-1 ]

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

  • Downstream synthetic route of [ 500028-91-1 ]

[ 500028-91-1 ] Synthesis Path-Downstream   1~1

  • 1
  • [ 66176-17-8 ]
  • [ 500028-91-1 ]
YieldReaction ConditionsOperation in experiment
89% With sulfuric acid; nitric acid; b 8-Methyl-6-nitro-1H-benzo[d][1,3]oxazine-2,4-dione To a flask charged with <strong>[66176-17-8]8-methyl-1H-benzo[d][1,3]oxazine-2,4-dione</strong> ((Example 295: step a) 9.27 g, 52.4 mmol) in an ice-water bath was added concentrated H2SO4 (90 mL) over 5 minutes period. After stirring for 10 minutes, fuming HNO3 (2.9 mL) was added over 15 minutes. The reaction mixture was stirred for further 30 minutes in the ice-water bath, 30 minutes at ambient temperature, then slowly poured into ice with stirring. The solid was collected, washed with H2O (3*50 mL), and dried in high vacuum to give the title compound (10.4 g, 89% yield) as a yellow solid. 1H NMR (DMSO) delta 11.65 (br s, 1H), 8.46-8.43 (m, 2H), 2.44 (s, 3H).
89% With sulfuric acid; nitric acid; b) 8-Methyl-6-nitro-1H-benzo[d][1,3]oxazine-2,4-dione To a flask charged with <strong>[66176-17-8]8-methyl-1H-benzo[d][1,3]oxazine-2,4-dione</strong> ((Example 1: step a) 9.27 g, 52.4 mmol) in an ice-water bath was added concentrated H2SO4 (90 mL) over 5 minutes period. After stirring for 10 minutes, fuming HNO3 (2.9 mL) was added over 15 minutes. The reaction mixture was stirred for further 30 minutes in the ice-water bath, 30 minutes at ambient temperature, then slowly poured into ice with stirring. The solid was collected, washed with H2O (3*50 mL), and dried in high vacuum to give the title compound (10.4 g, 89% yield) as a yellow solid. 1H NMR (DMSO-d6): delta 11.65 (br s, 1H), 8.46-8.43 (m, 2H), 2.44 (s, 3H).
 

Historical Records