Special Chemicals

The history of chemical markers is a fascinating chronicle of human ingenuity, where science serves not only progress but also the secret war of intelligence agencies. From primitive "sniffers" in Vietnamese jungles to the most complex quantum markers of our time — each technology reflects the level of development of its era and humanity's unquenchable desire to control the invisible.

In this game of hide-and-seek between spies and counterintelligence agents, chemistry has become a universal language, understandable to instruments but invisible to the human eye. And who knows what unimaginable methods of marking and surveillance the future holds for us?

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The bicyclic organosilicon compounds that would later be known as silatranes were first synthesized around 1960 by two independent groups of American chemists. However, it was in 1962 that their physiological potential caught the attention of the laboratory of the renowned Soviet chemist Mikhail Voronkov (1921–2014). The new substances proved to be extremely toxic to mammals—roughly twice as toxic as strychnine—while remaining puzzlingly harmless to frogs, microbes, and fungi.

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