A convenient synthesis of 13C‐bromoform and 13C‐tetrabromomethane from 13C‐iodomethane labelling through 13:CBr2

A convenient synthesis of 13C‐bromoform and 13C‐tetrabromomethane from 13C‐iodomethane labelling through 13:CBr2
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通过 13:CBr2 从 13C-碘甲烷标记方便地合成 13C-三溴甲烷和 13C-四溴甲烷

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发表时间:
1980
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通讯作者:
D. Seebach
D. Seebach
中科院分区:
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文献类型:
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作者:
H. Siegel;D. Seebach

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苯基二噻烷3与13 CH 3 I甲基化,通过硫缩醛4得到标记的苯乙酮(5)。报道了NaOBr-裂解得到标题化合物1和2(分别为65%和76%)及其在制备二溴环丙烷6和二溴烯烃7中的应用。
Phenyldithiane 3 is methylated with 13CH3I to give, through the thioacetal 4, labelled acetophenone (5). NaOBr-cleavage to the title compounds 1 and 2 (65 % and 76 %, respectively) and their use in the preparation of the dibromocyclopropane 6 and the dibromoolefin 7 are described.