Description

2-Methyl-2-Butenoic Acid [7,8-Dihydro-6-Methoxy-8,8-Dimethyl-2-Oxo-2H,6H-Benzo[1,2-B:5,4-B']Dipyran-7-Yl] Ester is a high-purity, complex organic ester with a fused benzodipyran structure, serving as a critical advanced intermediate in sophisticated chemical synthesis. Its unique molecular architecture makes it valuable for constructing complex frameworks in pharmaceutical and fine chemical research. This compound is primarily sought by R&D and production teams in the pharmaceutical, agrochemical, and specialty chemical industries for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in therapeutic areas requiring complex heterocyclic scaffolds.
• Agrochemical Research: Used in the development of new-generation pesticides and herbicides, where its structural complexity can contribute to unique modes of action.
• Fine Chemical Synthesis: Serves as a precursor for specialty chemicals, including dyes, pigments, and performance materials requiring specific optical or electronic properties.
• Academic & Industrial R&D: Employed in chemical research to explore new reaction pathways and create libraries of compounds for biological screening.
• Material Science: Potential intermediate in the development of organic semiconductors, liquid crystals, or other advanced polymeric materials.

Basic Information

Item	Details
Product Name	2-Methyl-2-Butenoic Acid [7,8-Dihydro-6-Methoxy-8,8-Dimethyl-2-Oxo-2H,6H-Benzo[1,2-B:5,4-B']Dipyran-7-Yl] Ester
CAS No.	37975-62-5
Molecular Formula	C21H24O6
Molecular Weight	372.41 g/mol
Synonyms	7-(2-Methylbut-2-enoyloxy)-6-methoxy-8,8-dimethyl-2-oxo-2H,6H,7H,8H-pyrano[3,2-g]chromene; 2-Methyl-2-butenoic acid 7,8-dihydro-6-methoxy-8,8-dimethyl-2-oxo-2H,6H-benzo[1,2-b:5,4-b']dipyran-7-yl ester; Angelicin tiglate; 8,8-Dimethyl-7-tigloyloxyseselin; 7-Tigloyloxy-6-methoxy-8,8-dimethyl-2H,6H,7H,8H-pyrano[3,2-g]chromen-2-one
EINECS	Contact for details

Quality Control

Our 2-Methyl-2-Butenoic Acid [7,8-Dihydro-6-Methoxy-8,8-Dimethyl-2-Oxo-2H,6H-Benzo[1,2-B:5,4-B']Dipyran-7-Yl] Ester is produced under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and can be tailored to meet specific customer or regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. The compound may be light-sensitive; prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.