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1.
Org Lett ; 21(14): 5634-5638, 2019 07 19.
Article in English | MEDLINE | ID: mdl-31251641

ABSTRACT

The direct use of ammonia in transition-metal promoted C-H bond amination for the synthesis of primary amines is considered to be one of the major challenges in synthetic organic chemistry. Herein, we report that such transformation can be successfully achieved via nickel-promoted amination of inert arene C-H bonds with ammonia gas assisted by an 8-amino-quinoline directing group.

2.
Org Lett ; 20(11): 3206-3210, 2018 06 01.
Article in English | MEDLINE | ID: mdl-29787284

ABSTRACT

An efficient nickel-promoted selective monocyanation of benzamides with TMSCN via 8-aminoquinoline directed ortho C-H activation has been developed. Varieties of functionalized ortho-cyanated (hetero)aryl nitriles can be selectively synthesized in moderate to good yields. These cyanation products can be easily transformed into various 3-imino-1-oxoisoindolines in a one-pot procedure. The mild reaction conditions, use of cheap and commercially available reagents, wide functional group tolerance, and operational convenience make this protocol practical to the synthetic community.

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