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Synthesis and chemistry of new spiro‐Δ 1 ‐pyrazoline
Author(s) -
Louhichi Nesrine,
Houas Amel,
Hamadi Naoufel Ben,
Msaddek Moncef
Publication year - 2012
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.827
Subject(s) - chemistry , pyrazoline , photodissociation , adduct , medicinal chemistry , organic chemistry , computational chemistry
In explorations of syntheses and chemistry of spiroheterocycles, we found that the reaction of 2‐diazopropane with ( E )‐α‐arylidenepyrrolin‐2‐one, ( E )‐α‐arylidene‐γ‐butyrolactone, and ( E )‐arylidene‐ N ‐arylsuccinimide derivatives produced spiro‐Δ 1 ‐pyrazolines. The photolysis of Δ 1 ‐pyrazolines has led to cyclopropanes. The structures of the obtained adducts have been assigned by means of spectroscopic measurements. J. Heterocyclic Chem., (2011).

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