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tert-Butyl N-hydroxycarbamate
[CAS# 36016-38-3]

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Complete supplier list of tert-Butyl N-hydroxycarbamate
Identification
Classification Chemical reagent >> Organic reagent >> Ester >> Butyl ester compound
Name tert-Butyl N-hydroxycarbamate
Synonyms N-Boc-hydroxylamine
Molecular Structure CAS # 36016-38-3, tert-Butyl N-hydroxycarbamate, N-Boc-hydroxylamine
Molecular Formula C5H11NO3
Molecular Weight 133.15
CAS Registry Number 36016-38-3
EC Number 252-836-2
SMILES CC(C)(C)OC(=O)NO
Properties
Melting point 53-57 ºC
Safety Data
Hazard Symbols symbol   GHS07 Warning    Details
Hazard Statements H302-H315-H317-H319-H335    Details
Precautionary Statements P261-P264-P264+P265-P270-P271-P272-P280-P301+P317-P302+P352-P304+P340-P305+P351+P338-P319-P321-P330-P332+P317-P333+P317-P337+P317-P362+P364-P403+P233-P405-P501    Details
Hazard Classification
up    Details
HazardClassCategory CodeHazard Statement
Specific target organ toxicity - single exposureSTOT SE3H335
Skin irritationSkin Irrit.2H315
Acute toxicityAcute Tox.4H302
Eye irritationEye Irrit.2AH319
Eye irritationEye Irrit.2H319
SDS Available
up Discovory and Applicatios
tert-Butyl N-hydroxycarbamate, also known as Boc-NHOH, was first synthesized during investigations into protecting amine groups in organic synthesis. Chemists sought to develop stable protecting groups that could be easily removed under mild conditions to allow for selective functionalization of amines. The synthesis involved the reaction of tert-butylamine with chloroformates and hydroxylamine to form the N-hydroxycarbamate derivative. This discovery represented a significant advancement in organic chemistry, providing a versatile tool for selectively protecting amino groups in complex molecules.

tert-Butyl N-hydroxycarbamate is used as a protecting group for amines in organic synthesis, preventing unwanted reactions with other reagents while allowing desired transformations elsewhere in the molecule. This strategy is crucial in multi-step synthesis to control regioselectivity and achieve complex molecular architectures. After desired transformations, tert-Butyl N-hydroxycarbamate can be selectively removed under mild conditions to regenerate the free amine group, enabling the recovery of the original functionality without affecting other sensitive groups present.

tert-Butyl N-hydroxycarbamate is used in solid-phase peptide synthesis to protect the N-terminus of growing peptide chains, enabling efficient and high-yield synthesis of peptides and peptidomimetics for pharmaceutical research. It serves as part of orthogonal protecting group strategies in peptide synthesis, allowing precise control over peptide assembly for the synthesis of complex peptide structures with specific functionalities.

tert-Butyl N-hydroxycarbamate plays a crucial role in synthesizing pharmaceutical intermediates and active pharmaceutical ingredients (APIs), contributing to the development of new drug candidates with improved properties. It can be incorporated into prodrugs to improve drug stability, bioavailability, and tissue targeting, making it valuable in drug delivery systems.

In materials science, tert-Butyl N-hydroxycarbamate is used to modify surfaces and polymers, enhancing properties such as adhesion, corrosion resistance, and biocompatibility in coatings, adhesives, and biomedical devices. It is employed in polymer chemistry for controlled modification of polymer chains, allowing tailored properties such as solubility, thermal stability, and mechanical strength, expanding applications in drug delivery and nanotechnology.

References

2019. Hydroxylamine Derivatives in Synthesis. Organic & Biomolecular Chemistry, 17(28).
DOI: 10.1039/C9OB00987A
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