Preparation and Some Properties of 7,7-Dilithionorbornane

DOI: 10.1016/0040-4039(91)80659-T

Source and publish data:

Tetrahedron Letters p. 2951 - 2952 (1991)

Update date:2022-07-30

Topics:

Authors:

Vlaar, Cornelis P.

Klumpp, Gerhard W.

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Article abstract of DOI:10.1016/0040-4039(91)80659-T

7,7-Dilithionorbornane 4a is formed from 7,7-dibromonorbornane 4b by reduction with 4.5 equiv of lithium p,p'-di-tert-butylbiphenyl at -100 deg C, at which temperature it adds to ethylene.On warming it rearranges to 1-lithio-5-(2-lithioethyl)cyclopentene 5.

Full text of DOI:10.1016/0040-4039(91)80659-T

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