7-Methyl-1,5,7-triazabicyclo[4.4.0]dec-5-ene

7-Methyl-1,5,7-triazabicyclo[4.4.0]dec-5-ene is a high-purity pharmaceutical-intermediates supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.

1. Strong Organic Base Catalyst

MTBD is widely used as a non-nucleophilic, strong organic base catalyst in various chemical reactions, including:

Michael additions

Aldol condensations

Transesterification and acylation reactions

Polymerizations, such as ring-opening polymerization of lactones and cyclic carbonates

Favored for its high basicity and low nucleophilicity, enabling selective catalysis without side reactions.

2. Organocatalysis

Employed in enantioselective synthesis and asymmetric catalysis, often as a co-catalyst or in combination with other chiral catalysts.

Used to facilitate C–C bond formations and other key synthetic steps in pharmaceutical and fine chemical synthesis.

3. Polymer Chemistry

Acts as a catalyst in ring-opening polymerization (ROP) for producing biodegradable polyesters and polycarbonates.

Enables controlled polymerization leading to polymers with defined molecular weights and architectures.

4. Deprotonation Agent

Utilized for the deprotonation of weak acids or intermediates in organic synthesis.

Supports the generation of carbanions, enolates, and other reactive intermediates.

✅ High Basicity

One of the strongest neutral organic bases, effective under mild conditions.

✅ Low Nucleophilicity

Minimizes side reactions that occur with more nucleophilic bases.

✅ Thermal Stability

Stable under a broad temperature range, suitable for various synthetic processes.

✅ Solubility in Organic Solvents

Compatible with a wide range of reaction media, allowing versatility.

✅ Reusable and Efficient

Can be recovered and reused in some catalytic processes, improving sustainability.

7-Methyl-1,5,7-triazabicyclo[4.4.0]dec-5-ene (MTBD, CAS 84030-20-6) is a powerful, non-nucleophilic bicyclic guanidine base extensively used in organic synthesis and polymer chemistry. Its remarkable basicity combined with low nucleophilicity enables selective catalysis in a broad spectrum of reactions, from fine chemical production to advanced polymerizations. As a versatile catalyst and reagent, MTBD plays a significant role in modern synthetic methodologies, offering efficiency, selectivity, and potential sustainability benefits.

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