84531-36-2 (3-硝基-6,7-二氢-5-氢-环戊烷[B]吡啶,3-Nitro-6,7-dihydro-5H-cyclopentabpyridine)

反应条件：

1.1 Reagents: Ammonium acetate Solvents: Ethanol ; 2 h, 65 °C

参考文献：

An efficient synthesis of Nitrated cycloalka[b]pyridines

Le, Song Thi; et al, Synthesis, 2014, 46(16), 2175-2178

合成路线：1 步

1239883-74-9

_70%

反应条件：

1.1 Solvents: Chloroform ; 23 °C; 23 °C → 60 °C; 2 h, 60 °C; cooled

参考文献：

Synthesis, Characterization, and Rapid Cycloadditions of 5-Nitro-1,2,3-triazine

Glinkerman, Christopher M.; et al, Organic Letters, 2018, 20(9), 2628-2631

合成路线：1 步

_60%

反应条件：

1.1 Solvents: Ethanol

参考文献：

Inverse electron demand Diels-Alder reactions of 5-nitropyrimidine with enamines. Synthesis of 3-nitropyridine derivatives

Marcelis, Antonius T. M.; et al, Tetrahedron, 1989, 45(9), 2693-702

合成路线：1 步

_60%

参考文献：

Pyrimidines. Part 93. Ring transformations of heterocycles. Part 28. Ring transformations of 5-nitropyrimidine via inverse Diels-Alder reactions

Charushin, Valery N.; et al, Tetrahedron Letters, 1982, 23(38), 3965-8

合成路线：1 步

126215-88-1

_58%

反应条件：

1.1 Solvents: Nitrobenzene

参考文献：

Intramolecular inverse electron demand Diels-Alder reactions of pyrimidines

Frissen, A. E., 1990, , ,

合成路线：1 步

126215-88-1

_58%

反应条件：

1.1 Solvents: Nitrobenzene

参考文献：

Intramolecular Diels-Alder reactions of 2-(alkynyl)pyrimidines and 2-(alkynyl)pyridines

Frissen, A. E.; et al, Tetrahedron, 1989, 45(16), 5151-62

合成路线：1 步

1239883-74-9

936-52-7

_51%

反应条件：

1.1 Solvents: Chloroform ; 23 °C; 23 °C → 60 °C; 24 h, 60 °C; cooled

参考文献：

Synthesis, Characterization, and Rapid Cycloadditions of 5-Nitro-1,2,3-triazine

Glinkerman, Christopher M.; et al, Organic Letters, 2018, 20(9), 2628-2631

合成路线：2 步

88499-78-9

反应条件：

1.1 Reagents: Triethylamine Solvents: Acetic acid
2.1 Solvents: Nitrobenzene

参考文献：

Intramolecular inverse electron demand Diels-Alder reactions of pyrimidines

Frissen, A. E., 1990, , ,

合成路线：2 步

88499-78-9

反应条件：

1.1 Reagents: Triethylamine Solvents: Ethanol
2.1 Solvents: Nitrobenzene

参考文献：

Intramolecular Diels-Alder reactions of 2-(alkynyl)pyrimidines and 2-(alkynyl)pyridines

Frissen, A. E.; et al, Tetrahedron, 1989, 45(16), 5151-62

合成路线：2 步

3994-40-9

反应条件：

1.1 Reagents: Sodium periodate Solvents: Dichloromethane , Water ; 3 min, rt
2.1 Solvents: Chloroform ; 23 °C; 23 °C → 60 °C; 2 h, 60 °C; cooled

参考文献：

Synthesis, Characterization, and Rapid Cycloadditions of 5-Nitro-1,2,3-triazine

Glinkerman, Christopher M.; et al, Organic Letters, 2018, 20(9), 2628-2631

合成路线：3 步

2075-46-9

反应条件：

1.1 Reagents: Sodium hydroxide , Hydroxylamine-O-sulfonic acid Solvents: Water ; 10 min, rt; rt → 60 °C; 5 h, 60 °C; cooled
2.1 Reagents: Sodium periodate Solvents: Dichloromethane , Water ; 3 min, rt
3.1 Solvents: Chloroform ; 23 °C; 23 °C → 60 °C; 2 h, 60 °C; cooled

参考文献：

Synthesis, Characterization, and Rapid Cycloadditions of 5-Nitro-1,2,3-triazine

Glinkerman, Christopher M.; et al, Organic Letters, 2018, 20(9), 2628-2631

合成路线：1 步