Production Method 1

1829-34-1

88275-87-0

Reaction Conditions

1.1 Reagents: Potassium carbonate Solvents: Dimethylformamide ;  16 h, 50 °C

Reference

An Oxidative Dearomatization Approach to Tetrodotoxin via a Masked ortho-Benzoquinone

Robins, Jacob G. ; et al, Organic Letters, 2022, 24(2), 559-563

Production Method 2

135-02-4

88275-87-0

Reaction Conditions

1.1 Reagents: Bromine Solvents: Chloroform

Reference

A new indole synthesis

Woolias, Michael, 1977, , ,

Production Method 3

88275-87-0

Reaction Conditions

1.1 Reagents: Triethylamine ,  Magnesium chloride Solvents: Tetrahydrofuran ;  10 min, rt
1.2 18 h, rt → 100 °C
1.3 Reagents: Potassium carbonate Solvents: Dimethylformamide ;  16 h, rt
1.4 Reagents: Hydrochloric acid Solvents: Water ;  rt

Reference

Collective Total Synthesis of 4-Azafluorenone Alkaloids

Jourjine, Ilya A. P. ; et al, European Journal of Organic Chemistry, 2023, 26(28),

Production Method 4

138505-19-8

88275-87-0

Reaction Conditions

Reference

Synthesis of larreantin, a cytotoxic naphthoquinonoid sesquilignan from Larrea tridentata

Comber, Mark F.; et al, Journal of the Chemical Society, 1991, (11), 2783-7

Production Method 5

135-02-4

88275-87-0

Reaction Conditions

1.1 Reagents: 1,3-Dibromo-5,5-dimethylhydantoin ,  Trimethylsilyl triflate Solvents: Dichloromethane

Reference

1,3-Dibromo-5,5-dimethylhydantoin, a useful reagent for aromatic bromination

Chassaing, Christophe; et al, Tetrahedron Letters, 1997, 38(25), 4415-4416

Production Method 6

88275-87-0

Reaction Conditions

1.1 Reagents: Triethylamine ,  Magnesium chloride Solvents: Tetrahydrofuran ;  10 min, rt
1.2 18 h, rt → 100 °C
2.1 Reagents: Potassium carbonate Solvents: Dimethylformamide ;  16 h, rt
2.2 Reagents: Hydrochloric acid Solvents: Water ;  rt

Reference

Collective Total Synthesis of 4-Azafluorenone Alkaloids

Jourjine, Ilya A. P. ; et al, European Journal of Organic Chemistry, 2023, 26(28),

3-Bromo-2-methoxybenzaldehyde Raw materials

• 3-Bromo-2-hydroxybenzaldehyde
• 1-Bromo-3-ethenyl-2-methoxybenzene
• 2-Methoxybenzaldehyde

3-Bromo-2-methoxybenzaldehyde Preparation Products

• 3-Bromo-2-methoxybenzaldehyde (88275-87-0)

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• Solvents and Organic Chemicals Organic Compounds Benzenoids Benzene and substituted derivatives Benzoyl derivatives

• 105104-03-8(Benzaldehyde, 5-bromo-4-hydroxy-2-methoxy-3-methyl-)
• 57543-36-9(5-Bromo-2-hydroxy-4-methoxybenzaldehyde)
• 130333-46-9(5-Bromo-2,4-dimethoxybenzaldehyde)
• 117238-61-6(Benzaldehyde,3,5-dibromo-2-hydroxy-4-methoxy-)
• 1224604-15-2(3-Bromo-2-methoxy-5-methylbenzaldehyde)
• 61657-65-6(3,5-Dibromo-2-methoxybenzaldehyde)
• 25016-01-7(5-Bromo-2-methoxybenzaldehyde)
• 31558-41-5(4-Bromo-2,5-dimethoxybenzaldehyde)
• 1009091-82-0(3-Bromo-2-ethoxybenzaldehyde)
• 808750-22-3(Benzaldehyde,3-bromo-4-methoxy-5-methyl-)