78657-14-4Relevant articles and documents
REDUCTION OF 1-(3,5-DI-TERT-BUTYL-2-HYDROXYPHENYL)PYRIDINIUM HALIDES WITH RANEY Ni-AL ALLOY IN AN ALKALINE SOLUTION AFFORDING 2,4-DI-TERT-BUTYLBENZOXAZOLO-5a,6,7,9,10-HEXAHYDROPYRIDINES
Fukata, Gouki,Itoh, Takashi,Tashiro, Masashi
, p. 1345 - 1348 (1981)
Treatment of 1-(3,5-di-tert-butyl-2-hydroxyphenyl)pyridinium halides (1a-1c) with Raney Ni-Al alloy in an alkaline solution afforded the corresponding 2,4-di-tert-butylbenzoxazolo-5a,6,7,8,9,10-hexahydropyridines (4a-4c).In the case of 1b, 2,4-di-t
Redox-Triggered α-C-H Functionalization of Pyrrolidines: Synthesis of Unsymmetrically 2,5-Disubstituted Pyrrolidines
Cheng, Yong-Feng,Rong, Hao-Jie,Yi, Cheng-Bo,Yao, Jun-Jun,Qu, Jin
supporting information, p. 4758 - 4761 (2015/10/12)
By using o-benzoquinone as an internal oxidant, the regio- and diastereoselective functionalization of the secondary over the tertiary α-C-H bond of 2-substituted pyrrolidines is first realized. Subsequent intermolecular addition of a nucleophile to the g
Reduction of 1-(2-Hydroxy-3,5-di-t-butylphenyl)pyridinium Halides and Their Zwitterions. Formation of Di- and Tetra-hydropyridobenzoxazoles
Fukata, Gouki,Itoh, Takashi,Mataka, Shuntaro,Tashiro, Masashi
, p. 327 - 332 (2007/10/02)
Reduction of 1-(2-hydroxy-3,5-di-t-butylphenyl)pyridinium halides (1a-d) and/or their zwitterions (2a-d) with Raney Ni-Al alloy, Raney Ni (W2) and NaBH4 were investigated.When (1) was treated with Ni-Al alloy in a mixture of methanol and 30percent aqueous