Synthetic & Medicinal Chemistry
Synthetic and medicinal chemistry form the foundation of modern drug discovery, enabling the design, synthesis, and optimization of molecules with the required potency, selectivity, and developability. At Sai Life Sciences, we combine deep scientific expertise with efficient execution to accelerate discovery outcomes. Our chemists integrate medicinal chemistry insight with synthetic precision to design, synthesize, and analyze compounds efficiently. Supported by advanced infrastructure and flexible engagement models, we deliver data-rich programs that reduce risk, strengthen decision-making, and advance promising molecules toward development.
Designed for Innovation with Speed
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1000+ Chemists
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Technologies for enabling speed
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Digital workflow management
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Delivering Scale, Complexity, Efficiency & Productivity
Our Capabilities
Hit-to-lead and lead optimization
Structure–activity relationship studies, analogue design, and optimization for potency, selectivity, and pharmacokinetic properties.
Complex Molecule Synthesis
Expertise in heterocycles, macrocycles, chiral compounds, peptides, PROTACs, molecular glues, nucleosides, carbohydrates, steroids, lipids, PEG chemistry, and drug conjugates for ADCs and PDCs.
Route scouting and early scale-up
Identification of scalable synthetic routes using data-driven and AI/ML-supported approaches to enable downstream development and manufacturing.
Integrated Chemistry–Biology Interface
Close collaboration with in vitro and in vivo biology teams to support rapid design–make–test–analyze cycles.
Global Chemistry Network
Large-scale infrastructure across India, the UK, and the US supporting FTE-based and milestone-driven engagement models.
Our Capabilities
Hit-to-lead and lead optimization
Structure–activity relationship studies, analogue design, and optimization for potency, selectivity, and pharmacokinetic properties.
Complex Molecule Synthesis
Expertise in heterocycles, macrocycles, chiral compounds, peptides, PROTACs, molecular glues, nucleosides, carbohydrates, steroids, lipids, PEG chemistry, and drug conjugates for ADCs and PDCs.
Route scouting and early scale-up
Identification of scalable synthetic routes using data-driven and AI/ML-supported approaches to enable downstream development and manufacturing.
Integrated Chemistry–Biology Interface
Close collaboration with in vitro and in vivo biology teams to support rapid design–make–test–analyze cycles.
Global Chemistry Network
Large-scale infrastructure across India, the UK, and the US supporting FTE-based and milestone-driven engagement models.
Facilities and Technical Capabilities
Our chemistry laboratories include state-of-the-art facilities for parallel synthesis, automation, high-throughput experimentation, and flow chemistry, supporting synthesis from milligram to kilogram scale. Advanced analytical and purification systems ensure quality, reproducibility, and scalability, enabling smooth transition from discovery to development.
Frequently Asked Questions
Sai Life Sciences has extensive experience in complex multi-step synthesis supporting early to late-stage drug discovery programs. Our teams routinely handle challenging chemistries including heterocycles, macrocycles, linker–payloads, organometallics, peptides, nucleosides, and prostaglandins. We apply techniques such as Suzuki coupling, Sonogashira coupling, Buchwald amination, ozonolysis, chiral reductions, high-throughput experimentation, flow chemistry, photochemistry, and electrochemistry, supported by automated parallel synthesizers, flow reactors, and photoreactors to enable rapid problem solving and accelerated DMTA cycles.
Yes. Our teams have extensive experience in synthesizing complex compounds that require specialized handling due to high molecular weight, chemical reactivity, instability, and purification challenges. We apply advanced CH functionalization, protection–deprotection strategies, photoredox chemistry, and electrochemistry. Infrastructure includes automated peptide synthesizers, OEB5 isolators, and integrated analytical systems to enable rapid translation of design concepts into compounds for biological evaluation.
Yes. We provide asymmetric synthesis and chiral purification services using both classical chemical approaches and biocatalysis to support greener and scalable processes. We use flow reactors and supercritical fluid chromatography for efficient chiral separation and purification, ensuring high enantiomeric purity and suitability for development-stage programs.
We support synthesis from milligram to multi-kilogram scale, with capabilities extending to tonne-scale manufacturing through downstream development and manufacturing operations. Our infrastructure includes standard laboratory setups, automated parallel synthesizers, manual reactors (100 mL to 2 L), flow chemistry platforms, peptide synthesis systems, and high-potency handling infrastructure, supported by robust analytical and purification capabilities.
We provide integrated analytical support through dedicated satellite analytical laboratories embedded within chemistry labs to enable real-time monitoring and rapid turnaround. Capabilities include reaction monitoring, method development, purification, and structural characterization using HPLC/UPLC (PDA, UV, ELSD, RI, CAD detectors), SFC, 400 MHz NMR, and mass-directed preparative HPLC. Our teams specialize in chiral and achiral analysis, impurity profiling, and analytical method development to support discovery chemistry programs.
Yes. We support medicinal chemistry programs across CNS, oncology, and anti-infective therapeutic areas, including complex mechanisms and challenging chemotypes. Our teams integrate computational chemistry, biology, DMPK, and toxicology to support rational design and optimization, with experience delivering candidates toward IND filing across small molecules, peptides, and drug conjugates.