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Name: Fmoc-Tyr(tBu)-OH  

CAS NO: 71989-38-3

Purity: 99% min

MF: C28H29NO5

MW:459.534

BP:658.2±55.0 °C at 760 mmHg

Density:1.2±0.1 g/cm3

MP: ~150 °C (dec.)

EINECS:276-262-7

Appearance: White powder

Package: 25g, 100g, 500g, bulk package 

Application:Pharmaceutical intermediate

Other name:

 Fmoc-O-tert-butyl-L-tyrosine；

(2S)-2-{[(9H-Fluoren-9-ylmethoxy)carbonyl]amino}-3-{4-[(2-methyl-2-propanyl)oxy]phenyl}propanoic acid；

L-Tyrosine, O-(1,1-dimethylethyl)-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-；

N-(9-Fluorenylmethoxy carbonyl)-o-tert-butyl-L-tyrosine；

翱-迟别谤迟-叠耻迟测濒-狈-摆(9贬-蹿濒耻辞谤别苍-9-测濒尘别迟丑辞虫测)肠补谤产辞苍测濒闭-尝-迟测谤辞蝉颈苍别；

狈-摆(9贬-贵濒耻辞谤别苍-9-测濒尘别迟丑辞虫测)肠补谤产辞苍测濒闭-翱-(2-尘别迟丑测濒-2-辫谤辞辫补苍测濒)-尝-迟测谤辞蝉颈苍别；

Fmoc-Tyr(tBu)-OH  CAS NO: 71989-38-3  Used for peptide synthesis and as an amino acid protective monomer.

Preparation of Fmoc-Tyr(tBu)-OH  CAS NO: 71989-38-3

O-tert-butyll-tyrosine was suspended in dioxane solution and acylation was performed with methoxycarbonyl azide of fluorene to get crude product, which was extracted with ethyl acetate at pH 9-10 and refined by recrystallization.

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