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ChemicalBook CAS DataBase List 4-BROMO-DL-TRYPTOPHAN
25796-04-7

4-BROMO-DL-TRYPTOPHAN synthesis

5synthesis methods
-

Yield:-

Steps:

Multi-step reaction with 5 steps
1: 96 percent
2: 1.) t-BuLi, 2.) Br(CH2)2Br / 1.) Et2O
3: 99 percent / TBAF / tetrahydrofuran / 4 h
4: 92 percent / NaOH / toluene / 24 h / Heating
5: 1.) NaOH, 2.) AcOH, 3.) 3M HCl / 1.) THF, H2O, room temperature, 24 h, 2.) reflux, 24 h, 3.) reflux, 24 h

References:

Hurt, Clarence R.;Lin, Ronghui;Rapoport, Henry [Journal of Organic Chemistry,1999,vol. 64,# 1,p. 225 - 233]

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