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TEAN-LOUIS LUCHE A French poet of this eentury, Pierre Mae Orlan, wrote "Adventure doesn't exist, it's only within the brain of he who's pursuing it, and, once it really is at one's finger suggestions, it vanishes again to existence, far-off, in a distinct form, on the frontiers of imagination". This sentence may be used to outline the journey that many sonochemists skilled. so much of them didn't even suspect that the "laboratory trick" they have been utilizing was once the 1st touch with a large amount of technology. If a private observe is permitted right here, it ean be attention-grabbing to say the half performed accidentally in my involvement in sonochemistry. virtually two decades in the past, we needed to practice an it sounds as if basic Grignard reaetion with n-butylmagnesium bromide and geranial, however the effects have been many times unsatisfactory. The one-pot Barbier strategy was once tried, additionally with out luck. From my reviews on the collage, I imagined that the failure of the latter response can be as a result of a typical phenomenon identified by means of strong kingdom chemists as passivation, which occasionally will be conquer via ultrasonication. accidentally, an ultrasonie bathtub used to be sitting at the subsequent beneh, borrowed to wash a few gear. We clamped our reluctant response combination into the tub, the response proceeded vigorously, and ... the journey all started. with no understanding whatever approximately cavitation, excessive energies, ete., we had a demonstration of Goethe's notice "Am Anfang struggle die Tat" (at the start was once the Act).

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