Disclosed is a method for continuously synthesizing a propellane compound. The method includes the following steps: using 1,1-dibromo-2,2-bis(chloromethyl)cyclopropane or a derivative thereof as a raw material to form a ring with a lithium metal agent by a continuous reaction, so as to synthesize the propellane compound. A technical scheme of the present disclosure is applied, and a continuous reaction device is used.

Disclosed is a method for continuously synthesizing a propellane compound. The method includes the following steps: using 1,1-dibromo-2,2-bis(chloromethyl)cyclopropane or a derivative thereof as a raw material to form a ring with a lithium metal agent by a continuous reaction, so as to synthesize the propellane compound. A technical scheme of the present disclosure is applied, and a continuous reaction device is used.

Disclosed is a method for continuously synthesizing a propellane compound. The method includes the following steps: using 1,1-dibromo-2,2-bis(chloromethyl)cyclopropane or a derivative thereof as a raw material to form a ring with a lithium metal agent by a continuous reaction, so as to synthesize the propellane compound. A technical scheme of the present disclosure is applied, and a continuous reaction device is used.

Processes of making [1.1.1]propellane utilize reaction conditions that include reacting 1,1-dibromo-2,2-bis(chloromethyl)cyclopropane with an effective amount of solid magnesium.

Processes of making [1.1.1]propellane utilize reaction conditions that include reacting 1,1-dibromo-2,2-bis(chloromethyl)cyclopropane with an effective amount of solid magnesium.

Processes of making [1.1.1]propellane utilize reaction conditions that include reacting 1,1-dibromo-2,2-bis(chloromethyl)cyclopropane with an effective amount of solid magnesium.

The present application is related to an improved process for synthesising 1-(difluoromethyl)-3-iodobicyclo[1.1.1]pentane from difluoromethyl iodide and [1.1.1]propellane. Difluoromethyl iodide is made by reacting an iodide salt with chlorodifluoroacetic acid in the presence of a solvent such as sulfolane and an inorganic base, [1.1.1]propellane is synthesised by reacting 1,1-dibromo-2,2-cis(chloromethyl)cyclopropane with a reagent such as magnesium, methyllithium or phenyllithium.

The present application is related to an improved process for synthesising 1-(difluoromethyl)-3-iodobicyclo[1.1.1]pentane from difluoromethyl iodide and [1.1.1]propellane. Difluoromethyl iodide is made by reacting an iodide salt with chlorodifluoroacetic acid in the presence of a solvent such as sulfolane and an inorganic base, [1.1.1]propellane is synthesised by reacting 1,1-dibromo-2,2-cis(chloromethyl)cyclopropane with a reagent such as magnesium, methyllithium or phenyllithium.

Processes for making bicyclic compounds and precursors thereof, and particularly for making [1.1.1]propellane and bicyclo[1.1.1]pentane and derivatives thereof, utilize continuous flow reaction methods and conditions. A continuous process for making [1.1.1]propellane can be conducted under reaction conditions that advantageously minimize clogging of a continuous flow reactor. A continuous flow process can be used to make precursors of [1.1.1]propellane.

Processes for making bicyclic compounds and precursors thereof, and particularly for making [1.1.1]propellane and bicyclo[1.1.1]pentane and derivatives thereof, utilize continuous flow reaction methods and conditions. A continuous process for making [1.1.1]propellane can be conducted under reaction conditions that advantageously minimize clogging of a continuous flow reactor. A continuous flow process can be used to make precursors of [1.1.1]propellane.