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Chemoenzymatic synthesis of optically active alcohol and β-amino-acid derivative containing the difluoromethylene group

✍ Scribed by Tadashi Ema; Taro Kadoya; Kumiko Akihara; Takashi Sakai

Book ID
113804685
Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
159 KB
Volume
66
Category
Article
ISSN
1381-1177

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## Abstract The reaction of (+)‐car‐2‐ene (**4**) with chlorosulfonyl isocyanate (=sulfuryl chloride isocyanate; ClSO~2~NCO) led to the tricyclic lactams **6** and **8** corresponding to the initial formation both of the tertiary carbenium and __α__‐cyclopropylcarbenium ions (__Scheme 2__). A numbe