• 1. Evolution study of photo-synthesized gold nanoparticles by spectral deconvolution model: a quantitative approach
  Chung-Sung Yang,Mong-Shian Shih,Fang-Yi Chang New J. Chem., 2006,30, 729-735
• 2. Fe/S-Catalyzed synthesis of 2-benzoylbenzoxazoles and 2-quinolylbenzoxazoles via redox condensation of o-nitrophenols with acetophenones and methylquinolines?
  Thi Thu Tram Nguyen,Thanh Binh Nguyen Org. Biomol. Chem., 2021,19, 6015-6020
• 3. Enabling high-throughput single-animal gene-expression studies with molecular and micro-scale technologies
  Jason Wan Lab Chip, 2020,20, 4528-4538
• 4. EWOD-driven droplet microfluidic device integrated with optoelectronic tweezers as an automated platform for cellular isolation and analysis?
  Gaurav J. Shah,Eric P.-Y. Chiou,Ming C. Wu,Chang-Jin “CJ” Kim Lab Chip, 2009,9, 1732-1739
• 5. Ester-directed orthogonal dual C–H activation and ortho aryl C–H alkenylation via distal weak coordination?
  Manickam Bakthadoss,Tadiparthi Thirupathi Reddy,Vishal Agarwal,Duddu S. Sharada Chem. Commun., 2022,58, 1406-1409

• Solvents and Organic Chemicals Organic Compounds Organoheterocyclic compounds Azobenzenes

Recent Advances in the Application of Dabsyl Chloride (56512-49-3) in Chemical Biology and Pharmaceutical Research

Dabsyl chloride (4-dimethylaminoazobenzene-4'-sulfonyl chloride, CAS: 56512-49-3) is a widely used derivatization reagent in analytical chemistry and pharmaceutical research. This sulfonyl chloride derivative has gained significant attention due to its excellent chromophoric properties, enabling sensitive detection of amino acids, peptides, and other amine-containing compounds. Recent studies have explored novel applications of dabsyl chloride in proteomics, metabolomics, and drug development, demonstrating its continued relevance in modern chemical biology research.

A 2023 study published in the Journal of Chromatography A demonstrated the use of dabsyl chloride for ultra-sensitive detection of neurotransmitter metabolites in cerebrospinal fluid. The researchers developed a novel microextraction technique coupled with dabsyl derivatization, achieving detection limits in the low femtomolar range. This advancement opens new possibilities for studying neurological disorders and monitoring drug effects on neurotransmitter metabolism.

In pharmaceutical quality control, recent work has highlighted dabsyl chloride's role in stability-indicating methods. A 2024 publication in Analytical Chemistry described a validated HPLC method using dabsyl chloride derivatization to quantify degradation products in peptide-based therapeutics. The method showed superior resolution compared to conventional UV detection methods, particularly for closely related impurities.

Emerging applications in chemical biology include the use of dabsyl chloride as a reversible labeling reagent for protein surface mapping. Researchers at MIT reported in Nature Chemical Biology (2023) a new strategy using dabsyl chloride derivatives to probe protein-protein interactions. The approach leverages the reagent's unique spectroscopic properties to monitor conformational changes in real-time.

From a synthetic chemistry perspective, recent advances have focused on improving the stability and reactivity of dabsyl chloride derivatives. A 2024 study in Organic Letters described novel water-soluble analogs that maintain the chromophoric properties while offering better solubility for biological applications. These developments address long-standing challenges in applying dabsyl chemistry to aqueous systems.

The pharmaceutical industry continues to utilize dabsyl chloride in drug metabolism studies. A recent application note from a leading CRO demonstrated its effectiveness in quantifying low-molecular-weight amines in pharmacokinetic studies. The method showed excellent reproducibility across multiple laboratories, supporting its adoption as a standard technique.

Looking forward, researchers are exploring the combination of dabsyl chemistry with mass spectrometry techniques. Preliminary results presented at the 2024 ASMS conference showed promise for using dabsyl derivatives as both chromophores and mass tags in multi-modal detection schemes. This dual functionality could significantly enhance the throughput of omics studies.

In conclusion, dabsyl chloride (56512-49-3) remains a versatile tool in chemical and pharmaceutical research. Recent advancements have expanded its applications beyond traditional amino acid analysis to include sophisticated proteomic studies, drug development workflows, and chemical biology probes. The continued innovation in dabsyl chemistry suggests this reagent will maintain its importance in analytical and biological research for the foreseeable future.

• 101687-13-2(4-{[4-(dimethylamino)phenyl]diazenyl}naphthalene-1-sulfonyl chloride)
• 69037-87-2(1-Naphthalenesulfonylchloride, 6-(dimethylamino)-)
• 58359-53-8(4-Phenylazobenzenesulfonyl chloride)
• 876482-47-2(3-(dimethylamino)benzene-1-sulfonyl Chloride)
• 605-65-2(Dansyl chloride)
• 60151-27-1(2-Naphthalenesulfonylchloride, 6-(dimethylamino)-)
• 18392-55-7(2-Naphthalenesulfonylchloride, 6-(methylphenylamino)-)
• 929618-07-5(2-Naphthalenesulfonyl chloride, 8-(dimethylamino)-)
• 1276379-68-0(Dansyl Chloride-d6)
• 19715-49-2(4-(Dimethylamino)benzene-1-sulfonyl chloride)