With the help of an inexpensive iron porphyrin catalyst, chemists in Switzerland have developed a safe way to generate diazomethane, an important reagent for cyclopropanation reactions (Science, DOI: ...
WHEN an ice-cold benzene solution (12 c.c.) of perbenzoic acid (0.6 gm.) was added (during a period of 5 min.) to a benzene solution (12 c.c.) of diphenylene diazomethane (0.5 gm.) at 45°, a vigorous ...
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