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1246770-52-4

VNI synthesis

5synthesis methods
Carbamic acid, [(2,4-dichlorophenyl)methylene]-, 1,1-dimethylethyl ester (9CI)

163226-26-4
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VNI

1246770-52-4
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Yield:-

Steps:

Multi-step reaction with 5 steps
1: (1R,2R)-N1,N2-bis[4-(1-pyrrolidinyl)-2-quinolinyl]-1,2-cyclohexanediamine / toluene / 48 h / -78 - -20 °C
2: cobalt(II) chloride; sodium tetrahydroborate / methanol / 0 - 20 °C
3: ammonium acetate / methanol; water / 20 h / Reflux
4: trifluoroacetic acid / dichloromethane / 14 h / 20 °C
5: 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; dmap / dichloromethane / 0 - 20 °C

References:

Dobish, Mark C.;Villalta, Fernando;Waterman, Michael R.;Lepesheva, Galina I.;Johnston, Jeffrey N. [Organic Letters,2012,vol. 14,# 24,p. 6322 - 6325]

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