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Structure of 1080-74-6
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This malononitrile derivative features a fused indenylidene core, delivering enhanced electron-withdrawing character and structural rigidity. It integrates readily into heterocyclic syntheses, serving as a key building block for functionalized indane scaffolds under mild reaction conditions.
2-(3-Oxo-2,3-dihydro-1H-inden-1-ylidene)malononitrile serves as a versatile dienophile in [4+2] cycloaddition reactions, enabling efficient access to substituted indane and indenone frameworks. Its conjugated enone–dinitrile system exhibits high reactivity with dienes under thermal or Lewis acid catalysis, offering a robust route to complex polycyclic architectures. The compound demonstrates good bench stability and facilitates straightforward purification via recrystallization or chromatography, making it well-suited for synthetic workflows requiring functional group tolerance and predictable regiochemistry.
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GHS No : GHS06
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Signal Word : Danger
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UN#: 2811
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Class : 6.1
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Packing Group : Ⅲ
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Hazard Statements : H301+H311+H331-H315-H319
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Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P330-P361+P364-P362+P364-P405-P501
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Lot numbers can be found on the outside label of a product: