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CAS RN: 145013-05-4 | Product Number: B4559

1,3-Bis(tert-butoxycarbonyl)thiourea


Purity: >98.0%(N)
Synonyms:
  • 1,3-Di-Boc-thiourea
Documents:
1G
¥21,000
5   15  

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5G
¥82,300
4   1  

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Product Number B4559
Purity / Analysis Method >98.0%(N)
Molecular Formula / Molecular Weight C__1__1H__2__0N__2O__4S = 276.35 
Physical State (20 deg.C) Solid
Packaging and Container 1G-Glass Bottle with Plastic Insert (View image)
CAS RN 145013-05-4
Reaxys Registry Number 5815972
PubChem Substance ID 253660653
MDL Number

MFCD03093917

Specifications
Appearance White to Almost white powder to crystal
Purity(with Total Nitrogen) min. 98.0 %
Properties (reference)
Melting Point 132 °C(dec.)
GHS
Related Laws:
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Application
A Guanidinylating Reagent without Using Mercury Salts

B4559

To a solution of starting amine (1 mmol) in dichloromethane (5 mL) at rt are added 1,3-bis(tert-butoxycarbonyl)thiourea (1.05 mmol) and triethylamine (3 mmol). Under stirring, copper(II) chloride (1.05 mmol) is added and the reaction is stirred at rt until adjudged complete by TLC analysis. The reaction is diluted with EtOAc (30 mL) and filtered through a pad of celite. The filtrate is washed with brine (30 mL) and water (30 mL) and dried using anhydrous MgSO4. Filtration and removal of solvent under reduced pressure yields a residue which is purified by silica gel chromatography using gradient elution (hexane : EtOAc). Removal of solvents under vacuum affords the product.

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