cheminform abstract: a convenient and practical route to novel α-allenic ketones through a wittig...

1999 ketones ketones (benzene compounds) Q 0350 49 - 091 A Convenient and Practical Route to Novel α-Allenic Ketones Through a Wittig Reaction. — Arylketenes, generated in situ from acid chlorides (I) bearing an aryl substituent, react with phosphorane (II) to give the desired title compounds (IV). The yields of these products are lower, if the aryl ring bears an electron-donating substituent. The above reaction fails in the preparation of alkylketenes. — (KUMAR, K.; KAUR, S.; ISHAR, M. P. S.; Synlett (1999) 8, 1237-1238; Dep. Pharm. Sci., Guru Nanak Dev Univ., Amritsar 143 005, India; EN) 1

Upload: k-kumar

Post on 06-Jun-2016

220 views

Category:

Documents

1 download

Report

Download

Embed Size (px):

TRANSCRIPT

Page 1: ChemInform Abstract: A Convenient and Practical Route to Novel α-Allenic Ketones Through a Wittig Reaction

1999 ketones

ketones (benzene compounds)Q 0350

49 - 091A Convenient and Practical Route to Novel α-Allenic KetonesThrough a Wittig Reaction. — Arylketenes, generated in situ from acidchlorides (I) bearing an aryl substituent, react with phosphorane (II) to givethe desired title compounds (IV). The yields of these products are lower, if thearyl ring bears an electron-donating substituent. The above reaction fails inthe preparation of alkylketenes. — (KUMAR, K.; KAUR, S.; ISHAR, M. P.S.; Synlett (1999) 8, 1237-1238; Dep. Pharm. Sci., Guru Nanak Dev Univ.,Amritsar 143 005, India; EN)

The Wittig Olefination Reaction - WordPress.com...C549 R.M. Williams The Wittig Olefination Reaction Non-Stabilized Ylids. The Wittig reaction is one of the most useful methods for

Wittig - One is not born a woman.pdf

Monique Wittig -El Pensamiento Heterosexual (Seleccion)

Reaccion de Wittig- Mijail Cjuno

Wittig Monique - Las Guerrilleras

Wittig Interview

Ernst Wittig GmbH - Geschichts-Portal von Oberursel · 2015. 3. 6. · Ernst Wittig GmbH Ernst Wittig GmbH Ackergasse 28, später Finkenweg 4, Oberursel Glasraffinerie, Glasdesign

Dr. Thies Wittig

Wittig warriachezungun

The Wittig Reaction Formal Lab Report

The Allenic Carbocyclization Reaction of Allene-ynes ...d-scholarship.pitt.edu/7128/1/Jolie_DeForrest_ETD_4_30_09.pdf · d . The Allenic Carbocyclization Reaction of Allene-ynes:

Sprachstatistik: Das Zipfsche Gesetz Korpus-Workshop 29.09.2005 Thema Korpus-Statistik Thomas Wittig Universität Leipzig Institut für Informatik [email protected]