Photoreactors, LEDs & Accessories


Photochemistry is a powerful tool for chemical synthesis and a variety of conditions have been reported in the scientific literature using a wide range of catalysts and reagents. Therefore HepatoChem offers a number of proprietary and advanced photoreactors as well as a number of screening kits and accessories to explore photochemical conditions.



PhotoRedOx Box

Our original photoreactor, this patented device is compatible with most vial formats (0.3 ml, 2 ml, 4 ml and 20 ml vials) and is compatible with most stirring plates. A built-in fan keeps the reaction conditions at room temperature.  Several light source options are available.

photoredox duo photoreactor

PhotoRedOx Box Duo

The PhotoRedOx Duo uses the same unique design as our original photoreactor but doubles the vial capacity and includes an additional reaction chamber. The photoreactor Duo can hold up to 16 vials (2, 4 or 8 ml) and can accommodate a second light source for increased reaction rates of difficult reaction conditions.

Temperature controlled photoreactor

PhotoRedOx Box TC (Temp Controlled)

Also based on our original photoreactor, the TC version, with a standard chiller/heater unit (not included), makes possible to perform photo-catalytic reactions at controlled temperatures from 0°C to 80°C.

Flow Photoreactor

PhotoRedOx Flow Reactor

Our specially designed flow reactor (meant to be used with our PhotoRedOx Box) enables scaling of photochemistry reactions by significantly increasing surface area.  This flow reactor uses PFA tubing and has volume of 2 ml. 


Photochemistry Screening Kits

Research Publications Featuring Photochemistry

Photocatalytic α‐Tertiary Amine Synthesis via C–H Alkylation of Unmasked Primary Amines

AbstractA practical, catalytic entry to α,α,α‑trisubstituted (α‑tertiary) primary amines by C–H functionalisation has long been recognised as a critical gap in the synthetic toolbox. We report a simple and scalable solution to this problem that does not require any in situ protection of the amino group and proceeds with 100% atom‐economy. 

Visible Light-Induced Regioselective Cycloaddition of Benzoyl Azides and Alkenes To Yield Oxazolines

Abstract: Visible light catalysis allows the regioselective synthesis of oxazolines in high yields. The mild photosensitized manifold leverages the intermolecular formation of oxazolines with a wide functional group tolerance on both benzoyl azides and alkenes partners. Mechanistic investigations suggest the sensitization of the azide moiety as the key activation step.

Carbon-Heteroatom Cross-Coupling via an Electronically Excited Nickel (II) Complex

Reported here is a method that allows for C-O, C-N and C-S cross coupling reactions under one general methodology. We propose that an energy transfer pathway, in which an iridium photosensitizer produces an excited nickel (II) complex, is responsible for the key reductive elimination step that couples aryl halides to 1° and 2° alcohols, anilines, thiophenols, carbamates and sulfonamides.

Visible-Light-Induced Trifluoromethylation of Unactivated Alkenes with Tri(9-anthryl)borane as an Organophotocatalyst

Abstract: Tri(9-anthryl)borane was successfully applied as an organophotocatalyst for the visible-light-induced trifluoromethylation of unactivated alkenes with CF3I. The mild reaction conditions tolerated a variety of functional groups, and the reaction could be extended to perfluoroalkylations with C3F7I and C4F9I. Mechanistic studies revealed that the photoredox catalysis involves an oxidative quenching pathway.

Visible Light Promoted Functionalisation of Carbon-Carbon Sigma Bonds

Here we report the first such use of photoredox catalysis to promote the addition of organic halides to the caged carbocycle [1.1.1]propellane; the products of this process are bicyclo[1.1.1]pentanes (BCPs), motifs that are of high importance as bioisosteres in the pharmaceutical industry, and in materials applications.

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