Articles with "three successive" as a keyword



Photo by bermixstudio from unsplash

Preparation of Tertiary Amines from Tris(2-cyanoethyl)amine Using Three Successive Cobalt-Catalyzed Electrophilic Aminations with Organozinc Halides.

Sign Up to like & get
recommendations!
Published in 2020 at "Organic letters"

DOI: 10.1021/acs.orglett.0c00297

Abstract: We report a stepwise preparation of triple alkylated or arylated tertiary amines, starting from commercially available tris(2-cyanoethyl)amine using three successive reaction sequences involving a selective oxidation (formation of an N-oxide followed by a Cope elimination)… read more here.

Keywords: amine using; tris cyanoethyl; tertiary amines; using three ... See more keywords
Photo from wikipedia

Twenty-year time trends in hypertension prevalence in Yi people of China: three successive cross-sectional studies, 1996–2015

Sign Up to like & get
recommendations!
Published in 2018 at "BMJ Open"

DOI: 10.1136/bmjopen-2018-022714

Abstract: Objective To explore the trend of hypertension prevalence and related factors in Yi people from 1996 to 2015. Methods Three successive cross-sectional surveys were conducted in Liangshan Yi Autonomous Prefecture in 1996, 2007 and 2015,… read more here.

Keywords: age; prevalence; 1996 2015; hypertension prevalence ... See more keywords