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Facile intramolecular cyclization of an olefinic grignard reagent

✍ Scribed by Herman G. Richey Jr.; Thomas C. Rees

Publisher
Elsevier Science
Year
1966
Tongue
French
Weight
184 KB
Volume
7
Category
Article
ISSN
0040-4039

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πŸ“œ SIMILAR VOLUMES

Intramolecular cyclization of an allenic
Intramolecular cyclization of an allenic grignard reagent
✍ Herman G. Richey Jr.; Walter C. Kossa Jr. πŸ“‚ Article πŸ“… 1969 πŸ› Elsevier Science 🌐 French βš– 102 KB

A ready intramolecular addition of the Grignard function of the 3,4-pentadien-l-y1 Grignard reagent (2) to an allenic double bond furnished the l-cyclopropylvinyl Grignard reagent (5). \* The structure of this new compound is consistent with its elemental analysis and ir and nmr spectra.

Cyclizations of phenyl substituted alken
Cyclizations of phenyl substituted alkenyl grignard reagents
✍ Herman G. Richey Jr.; Harry S. Veale πŸ“‚ Article πŸ“… 1975 πŸ› Elsevier Science 🌐 French βš– 235 KB

Cyclizatlon of unsaturated Grignard reagents (or the reverse reactlon, ring cleavage of strained cyclx Grlgnard reagents) has been studled m a range of systems, 1-12 but the detalled mechanism has yet to be establlshed 13 We earlier reported that cycllzatlon of & 1s retarded ~a.

Facile synthesis of 4-substituted pyridi
Facile synthesis of 4-substituted pyridines using grignard reagents
✍ Kin-ya Akiba; Yuji Iseki; Makoto Wada πŸ“‚ Article πŸ“… 1982 πŸ› Elsevier Science 🌐 French βš– 140 KB

N-t-Butyldlmethylsilylpyridinmm triflate (5) reacted with Grignard reagents at 4-posltlon with almost complete regloselectlvlty (299% ) to afford the corresponding