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- 2025年07月12日
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![hemi(oxalic acid) (5R)-2-(trifluoromethyl)-6,7-dihydro-5H-cyclopenta[b]pyridin-5-amine](https://img1.dxycdn.com/p/s14/2025/0410/042/8254548921414120191.jpg!wh200)
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- 详细信息
- 文献和实验
- 技术资料
- 保存条件：
Recommended Refrigeration Conditions (2℃-8℃) for storage
- 英文名：
4-chloro-5-fluoro-N-methyl-2-nitro-pyridin-3-amine
- 供应商：
南京鼎石
- CAS号：
2738980-90-8
- 规格：
10g///25g///50g///100g///250g///500g///1kg///5kg///9673kg
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文献和实验-4-sulfonate (15 ,16 ), methyl 4-(6-methoxynaphthalene-2-yl)-4-oxo-2-butenoate (17 ), N-(1-pyrenyl)maleimide (18 ), monobromobimane (19 –23 ), o -phthaldialdehyde (24 ,25 ), 9-fluorenylmethyloxycarbonyl chloride (26 ), and 2-chloro-1-methylpyridinium
to replace combinattons of leucme coupled with valine in pepttde sequences. The preparation described is the final method developed, after many early less successful attempts. The synthesis mvolves (Fig. 1 ) the coupling of 1-bromo-5-methyl-2-hexene 3 and N
of 7‐bromo‐7‐deaza‐2′‐deoxyisoguanosine (S.4c ) is carried out by glycosylation of a brominated nucleobase followed by amination at C4 and selective deamination at C2′. NBS, N ‐bromosuccinimide; Piv, pivaloyl; TDA‐1, tris[2‐(2‐methoxyethoxy)ethyl]amine
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