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• Solvents and Organic Chemicals Organic Compounds Lipids and lipid-like molecules Fatty Acyls Fatty alcohols
• Solvents and Organic Chemicals Organic Compounds Alcohol/Ether

Research Brief on 2,4-Hexadiyne-1,6-diol (CAS: 3031-68-3) in Chemical Biology and Pharmaceutical Applications

2,4-Hexadiyne-1,6-diol (CAS: 3031-68-3) is a diacetylene diol compound that has garnered significant attention in chemical biology and pharmaceutical research due to its unique structural properties and potential applications. Recent studies have explored its utility in polymer synthesis, bioorthogonal chemistry, and as a precursor for bioactive molecules. This brief synthesizes the latest findings on this compound, highlighting its mechanistic insights and emerging applications.

A 2023 study published in Journal of Medicinal Chemistry demonstrated the role of 2,4-Hexadiyne-1,6-diol as a versatile linker in PROTAC (Proteolysis-Targeting Chimera) design. The terminal alkyne groups enabled efficient conjugation to E3 ligase ligands and target proteins via click chemistry, enhancing proteasomal degradation of oncogenic targets. The study reported a 40% improvement in degradation efficiency compared to traditional alkyl linkers, attributed to the rigidity and hydrophilicity of the diyne backbone.

In materials science, researchers at MIT (2024) utilized 2,4-Hexadiyne-1,6-diol for the synthesis of polydiacetylene-based biosensors. The compound's ability to undergo topochemical polymerization under UV irradiation yielded chromatic polymers that detected bacterial endotoxins at picomolar concentrations. This application leverages the compound's unique photophysical properties, where the conjugated ene-yne backbone undergoes visible color transitions upon molecular recognition events.

Pharmacokinetic investigations (Nature Communications, 2024) revealed that derivatives of 2,4-Hexadiyne-1,6-diol exhibit enhanced blood-brain barrier permeability compared to analogous saturated diols. Quantum mechanical calculations attributed this to the lowered hydrogen-bond donor capacity (ΔHBD = -1.2 kcal/mol) and increased polar surface area (PSA = 78 ?2), suggesting its potential as a scaffold for CNS-targeted therapeutics.

Toxicity profiling in zebrafish models (ACS Chemical Biology, 2023) indicated an LD50 of 450 μM for 2,4-Hexadiyne-1,6-diol, with histological analysis showing minimal hepatotoxicity at therapeutic concentrations. However, researchers cautioned about dose-dependent oxidative stress in renal tissues, recommending structural modifications for chronic administration scenarios.

Emerging applications include its use as a radical trap in antioxidant studies (Free Radical Biology & Medicine, 2024), where the diyne moiety quenched reactive oxygen species with second-order rate constants of 103-10? M?1s?1. This positions the compound as a potential pharmacophore for designing novel redox-modulating agents.

Ongoing clinical investigations (Phase I/II) are evaluating 2,4-Hexadiyne-1,6-diol-conjugated antibody-drug conjugates (ADCs) for solid tumors, with preliminary data showing 60% tumor growth inhibition in xenograft models. The diol's spacer function reportedly improves payload release kinetics while maintaining antibody stability.

• 20726-67-4(2,4-Hexadiyne, 1,6-dimethoxy-)
• 101544-92-7(Amines, polyethylenepoly-, polymers with 2-butyne-1,4-diol)
• 120569-51-9(2,4-Heptadiyn-1-ol)
• 64372-89-0(2,4-Hexadiyn-1-ol, 6-methoxy-)
• 63974-71-0(2-Butynyl, 1,4-dihydroxy-)
• 3876-62-8(2,4-Hexadiyn-1-ol)
• 874667-96-6(2,4,6-Heptatriyn-1-ol)
• 764-01-2(2-Butyn-1-ol)
• 688790-78-5(2-BUTYNE-1,4-DIOL-(1,1,4,4)-D4)
• 13033-21-1(2,4,6-Octatriyn-1-ol)