1) Methyl 4-hydroxy-3-nitrobenzoate
3-硝基-4-羟基苯甲酸甲酯
2) 4-hydroxy-3-nitrodenzoic acid
4-羟基-3-硝基苯甲酸甲酯
3) 4-hydroxy-3-nitrobenzoic acid
4-羟基-3-硝基苯甲酸
1.
7-Nitro-3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazine-6-carboxylic acid and 8-nitro-3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazine-6-carboxylic acid were prepared from 4-hydroxy-3-nitrobenzoic acid via esterification,etherification,reductive cyclization,nitration and hydrolysis,and their structures were confirmed by IR,1HNMR,LC/MS spectra and elemental analysis.
以4-羟基-3-硝基苯甲酸为原料,经酯化、醚化、还原合环、硝化、水解等5步反应,合成了两个未见文献报导的化合物7-硝基-3-氧-3,4-二氢-2H-[1,4]苯并噁嗪-6-羧酸和8-硝基-3-氧-3,4-二氢-2H-[1,4]苯并嗪-6-羧酸,其结构经IR、LC/MS、1HNMR和元素分析确证。
2.
The process for synthesizing 4-hydroxy-3-nitrobenzoic acid was selected.
探讨了4-羟基-3-硝基苯甲酸制备工艺的改进。
4) 3-Hydroxy-4-nitrobenzoic acid
3-羟基-4-硝基苯甲酸
5) 3-Nitro-4-hydroxybenzoic acid
3-硝基-4-羟基苯甲酸
6) Methyl 4-chloro-3-nitrobenzoate
4-氯-3-硝基苯甲酸甲酯
补充资料:3-硝基-4-羟基苯甲酸甲酯
分子式:C8H7NO5
分子量:197.147
CAS号:99-42-3
性质:暂无
制备方法:暂无
用途:暂无
分子量:197.147
CAS号:99-42-3
性质:暂无
制备方法:暂无
用途:暂无
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条