15) MSH prepared by the exact procedure from ref 14 has exploded on several occasions in our laboratory. Our modified procedure results in small MSH crystals. To date we have not encountered difficulties in handling or storing (several months at 0°) MSH prepared by this modified method. R. Y. Ning, Chem. Eng. News, 36 (December 17, 1973), has recently issued a note of caution concerning MSH.
3‐Butenyl‐tributyl‐zinn (I) reagiert mit den elektrophilen Reagentien (II), z.B. Chlor, Brom, Jod, Schwefeltrioxid oder 2,4‐Dinitrophenylsulfenylchlorid, zu den Cyclopropylcarbinyl‐Derivaten (IV) neben den Tributylzinnverbindungen (III).
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