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Carbamic acid, N-[[4-(hydroxymethyl)phenyl]methyl]-, 9H-fluoren-9-ylmethyl ester synthesis

3synthesis methods
-

Yield:475160-89-5 70%

Reaction Conditions:

Stage #1: N-(9-fluorenylmethyloxycarbonyl)-4-(aminomethyl)benzoic acidwith chloroformic acid ethyl ester;triethylamine in tetrahydrofuran at -7; for 1 h;
Stage #2: with sodium tetrahydroborate in methanol at 10; for 2.5 h;Further stages.;

References:

Sternson;Wong;Grozinger;Schreiber [Organic letters,2001,vol. 3,# 26,p. 4239 - 4242]