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2-tert-Butyl-1,3-diisopropylisourea

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2-tert-Butyl-1,3-diisopropylisourea Basic information
Physical Form
Product Name:2-tert-Butyl-1,3-diisopropylisourea
Synonyms:CarbaMiMidic acid, N,N'-bis(1-Methylethyl)-, 1,1-diMethylethyl ester;tert-Butyl N,N'-diisopropylimidocarbamate;tert-butyl N,N'-bis(1-methylethyl)imidocarbamate;O-tert-Butyl-N,N'-diisopropylisourea >;3-DIISOPROPYLISOUREA;N,N'-bis(propan-2-yl)(tert-butoxy)methanimidamide;1,1-Dimethylethyl N,N'-bis(1-methylethyl)carbamimidate;1-[(2-methylprop-2-yl)oxy]-N-(prop-2-yl)-1-(prop-2-ylamino)methanimine
CAS:71432-55-8
MF:C11H24N2O
MW:200.32
EINECS:
Product Categories:
Mol File:71432-55-8.mol
2-tert-Butyl-1,3-diisopropylisourea Structure
2-tert-Butyl-1,3-diisopropylisourea Chemical Properties
Boiling point 61°C/10mmHg(lit.)
density 0.89±0.1 g/cm3(Predicted)
refractive index 1.4240-1.4280
storage temp. Keep in dark place,Inert atmosphere,2-8°C
form clear liquid
pka9.54±0.50(Predicted)
color Colorless to Almost colorless
InChIInChI=1S/C11H24N2O/c1-8(2)12-10(13-9(3)4)14-11(5,6)7/h8-9H,1-7H3,(H,12,13)
InChIKeyFESDUDPSRMWIDL-UHFFFAOYSA-N
SMILESC(=NC(C)C)(OC(C)(C)C)NC(C)C
Safety Information
HS Code 2925290090
MSDS Information
2-tert-Butyl-1,3-diisopropylisourea Usage And Synthesis
Physical Formliquid
Uses2-tert-Butyl-1,3-diisopropylisourea is a useful synthetic intermediate in the synthesis of 5-Oxo Atorvastatin tert-Butyl Ester (O847160) which is a Boc-protected derivative of Atorvastatin. 2-tert-Butyl-1,3-diisopropylisourea is also used as a reagent in the total synthesis of Citrafungin A which is an antifungal natural product.
Synthesis
N,N'-Diisopropylcarbodiimide

693-13-0

tert-Butanol

75-65-0

2-TERT-BUTYL-1,3-DIISOPROPYLISOUREA

71432-55-8

GENERAL STEPS: CuCl (63.4 mg, 0.64 mmol, 1 mol%) was added to a solution of N,N'-diisopropylcarbodiimide (10.0 mL, 63.9 mmol, 1.0 equiv) in tert-butanol (6.97 mL, 73.5 mmol, 1.15 equiv). The reaction mixture was stirred at room temperature for 14 hours. After completion of the reaction, purification was carried out by distillation under reduced pressure (80°C, 25 mmHg). 2-tert-butyl-1,3-diisopropylisourea was obtained as a colorless oil (10.4 g, 51.9 mmol, 81% yield). The product was characterized by 1H NMR (300 MHz, CDCl3): δ 3.80-3.58 (1H, m, CH), 3.31-2.97 (1H, m, CH), 1.44 (9H, s, tBu), 1.19-1.01 (12H, m, Me2×2).

References[1] Organic Letters, 2005, vol. 7, # 13, p. 2615 - 2618
[2] Chemistry - A European Journal, 2007, vol. 13, # 30, p. 8543 - 8563
[3] Beilstein Journal of Organic Chemistry, 2011, vol. 7, p. 1486 - 1493
[4] Journal of Medicinal Chemistry, 2015, vol. 58, # 10, p. 4204 - 4219
[5] Patent: EP2952517, 2015, A1. Location in patent: Paragraph 0217
2-tert-Butyl-1,3-diisopropylisourea Preparation Products And Raw materials
Raw materialstert-Butanol-->N,N'-Diisopropylcarbodiimide
Preparation ProductsN-1-Boc-amino-3-cyclopentene-->2-tert-Butyl-1,3-diisopropylisourea
Tag:2-tert-Butyl-1,3-diisopropylisourea(71432-55-8) Related Product Information
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