• 1. Tributylphosphine-catalyzed aziridine-based cycloaddition polymerization toward thiacyclic polymers
  Zhi Zhou,Ying Wang,Linlin Zhu,Dai Dang,Zhen Zhang Polym. Chem. 2022 13 4809
• 2. Folate-modified silicon carbide nanoparticles as multiphoton imaging nanoprobes for cancer-cell-specific labeling
  M. Boksebeld,V. Kilin,A. Gélo?n,G. Ceccone,A. Jaffal,C. Schmidt,S. Alekseev,V. Lysenko,J. P. Wolf,L. Bonacina,E. Souteyrand,Y. Chevolot,V. Monnier RSC Adv. 2017 7 27361

Professional Introduction to 1,4-Butane diisothiocyanate (CAS No. 4430-51-7)

1,4-Butane diisothiocyanate, with the chemical formula C?H?N?S?, is a versatile and highly reactive organic compound belonging to the isothiocyanate class. This compound is characterized by its two isothiocyanate (-N=C=S) functional groups attached to a butane backbone, specifically at the 1 and 4 positions. Its unique structural and chemical properties make it a valuable intermediate in synthetic chemistry, particularly in the development of pharmaceuticals, agrochemicals, and specialty materials. The CAS number 4430-51-7 provides a unique identifier for this substance, ensuring consistency in scientific literature and industrial applications.

The reactivity of 1,4-butane diisothiocyanate stems from its isothiocyanate groups, which are known for their ability to participate in a wide range of chemical reactions, including condensation reactions with nucleophiles such as amines, alcohols, and thiols. These reactions often yield valuable products such as carbamates, thioureas, and thiazolidines. The compound's bifunctional nature allows for the formation of polymers and copolymers through step-growth polymerization, making it a useful monomer in the synthesis of polyureas and polythiazolidines.

In recent years, 1,4-butane diisothiocyanate has garnered significant attention in the field of medicinal chemistry due to its potential applications in drug development. Research has demonstrated its utility as a key intermediate in the synthesis of bioactive molecules targeting various therapeutic areas. For instance, studies have explored its role in generating novel heterocyclic compounds that exhibit antimicrobial and anti-inflammatory properties. The ability of this compound to undergo selective functionalization has opened new avenues for designing small-molecule inhibitors that interact with biological targets with high specificity.

One of the most promising applications of 1,4-butane diisothiocyanate is in the development of protease inhibitors, which are critical for treating conditions such as cancer and infectious diseases. By reacting with peptide derivatives or amino acid mimetics, researchers can generate peptidomimetic inhibitors that disrupt enzyme function without causing off-target effects. The structural diversity achievable through modifications of 1,4-butane diisothiocyanate allows for the fine-tuning of inhibitor properties such as solubility, stability, and binding affinity.

The compound's significance extends beyond pharmaceuticals into materials science. Its reactivity with nucleophiles enables the creation of advanced polymers with tailored mechanical and thermal properties. These polymers find applications in coatings, adhesives, and high-performance composites. Additionally, the thiol-reactive nature of isothiocyanates makes 1,4-butane diisothiocyanate a valuable crosslinking agent in the production of hydrogels used in biomedical devices such as drug delivery systems and tissue engineering scaffolds.

Recent advancements in synthetic methodologies have further enhanced the utility of 1,4-butane diisothiocyanate. Transition-metal-catalyzed reactions have enabled more efficient and selective transformations, reducing byproduct formation and improving yields. For example, palladium-catalyzed coupling reactions have been employed to introduce additional functional groups into derivatives of this compound, expanding their chemical space for drug discovery.

The safety profile of 1,4-butane diisothiocyanate is another critical consideration in its application. While highly reactive, proper handling under controlled conditions minimizes risks associated with its use. Personal protective equipment (PPE) such as gloves, goggles, and lab coats is essential when working with this compound to prevent skin and eye irritation. Furthermore, storage in inert atmospheres ensures stability and prevents unwanted side reactions.

In conclusion,1,4-butane diisothiocyanate (CAS No. 4430-51-7) represents a cornerstone compound in modern synthetic chemistry with far-reaching implications across multiple industries. Its role as an intermediate in pharmaceutical synthesis continues to drive innovation in drug development，while its applications in materials science highlight its versatility. As research progresses，the potential uses for this compound are expected to grow，further solidifying its importance in both academic and industrial settings.

• 4430-45-9(Octyl isothiocyanate)
• 592-82-5(n-Butyl isothiocyanate)
• 2877-26-1(octadecyl isothiocyanate)
• 4426-83-9(1-Isothiocyanatoheptane)
• 24540-94-1(Decyl isothiocyanate)
• 4430-43-7(Nonyl Isothiocyanate)
• 629-12-9(pentyl isothiocyanate)
• 1072-32-8(Dodecyl Isothiocyanate)
• 3224-48-4(n-Tetradecyl isothiocyanate)
• 4404-45-9(Hexyl Isothiocyanate)