meysam khajei - Academia.edu (original) (raw)
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Università degli Studi "G. d'Annunzio" Chieti Pescara
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Papers by meysam khajei
An ecofriendly one-pot multicomponent reaction of 1,3-dicarbonyl compounds, aldehydes, and malono... more An ecofriendly one-pot multicomponent reaction of 1,3-dicarbonyl compounds, aldehydes, and malononitrile
was carried out in a different deep eutectic solvent (DES) based on choline chloride, to synthesize highly
functionalized benzopyran and pyran derivatives under catalyst-free conditions. The results showed that
urea:choline chloride based DES is the best solvent and is successfully applicable to a wide range of aldehydes,
active methylene compounds with high yields (75–95%) and short reaction times (1–4 h).
We report a practical and rapid one-pot synthesis of arylidene rhodanine derivatives by condensat... more We report a practical and rapid one-pot synthesis of arylidene rhodanine derivatives by condensation
between primary amines, aldehydes, ethyl chloroacetate, and carbon disulfide in polyethylene glycol
(PEG) at room temperature or additionally with ultrasonic irradiation. A variety of medicinally important
rhodanine derivatives can be obtained from simple starting materials in high yields and purity without a
tedious work-up, after a recrystallization from ethanol.
An environmentally benign, one-pot, four-component synthesis of chemically and pharmaceutically i... more An environmentally benign, one-pot, four-component synthesis of chemically and pharmaceutically
interesting dithiocarbamate derivatives is reported. The one-pot reaction of various aromatic aldehydes,
ketones, aliphatic amines, and carbon disulfide, in the presence of potassium hydroxide in urea-choline
chloride deep eutectic solvent or ethanol, leads to the corresponding dithiocarbamates in good to excellent
yields. This method provides a convenient and time-saving strategy, with a simple work-up
procedure.
Just Accepted” manuscripts have been peer-reviewed and accepted for publication. They are posted ... more Just Accepted” manuscripts have been peer-reviewed and accepted for publication. They are posted
online prior to technical editing, formatting for publication and author proofing. The American Chemical
Society provides “Just Accepted” as a free service to the research community to expedite the
dissemination of scientific material as soon as possible after acceptance. “Just Accepted” manuscripts
appear in full in PDF format accompanied by an HTML abstract. “Just Accepted” manuscripts have been
fully peer reviewed, but should not be considered the official version of record. They are accessible to all
readers and citable by the Digital Object Identifier (DOI®). “Just Accepted” is an optional service offered
to authors. Therefore, the “Just Accepted” Web site may not include all articles that will be published
in the journal. After a manuscript is technically edited and formatted, it will be removed from the “Just
Accepted” Web site and published as an ASAP article. Note that technical editing may introduce minor
changes to the manuscript text and/or graphics which could affect content, and all legal disclaimers
and ethical guidelines that apply to the journal pertain. ACS cannot be held responsible for errors
or consequences arising from the use of information contained in these “Just Accepted” manuscripts.
An ecofriendly one-pot multicomponent reaction of 1,3-dicarbonyl compounds, aldehydes, and malono... more An ecofriendly one-pot multicomponent reaction of 1,3-dicarbonyl compounds, aldehydes, and malononitrile
was carried out in a different deep eutectic solvent (DES) based on choline chloride, to synthesize highly
functionalized benzopyran and pyran derivatives under catalyst-free conditions. The results showed that
urea:choline chloride based DES is the best solvent and is successfully applicable to a wide range of aldehydes,
active methylene compounds with high yields (75–95%) and short reaction times (1–4 h).
We report a practical and rapid one-pot synthesis of arylidene rhodanine derivatives by condensat... more We report a practical and rapid one-pot synthesis of arylidene rhodanine derivatives by condensation
between primary amines, aldehydes, ethyl chloroacetate, and carbon disulfide in polyethylene glycol
(PEG) at room temperature or additionally with ultrasonic irradiation. A variety of medicinally important
rhodanine derivatives can be obtained from simple starting materials in high yields and purity without a
tedious work-up, after a recrystallization from ethanol.
An environmentally benign, one-pot, four-component synthesis of chemically and pharmaceutically i... more An environmentally benign, one-pot, four-component synthesis of chemically and pharmaceutically
interesting dithiocarbamate derivatives is reported. The one-pot reaction of various aromatic aldehydes,
ketones, aliphatic amines, and carbon disulfide, in the presence of potassium hydroxide in urea-choline
chloride deep eutectic solvent or ethanol, leads to the corresponding dithiocarbamates in good to excellent
yields. This method provides a convenient and time-saving strategy, with a simple work-up
procedure.
Just Accepted” manuscripts have been peer-reviewed and accepted for publication. They are posted ... more Just Accepted” manuscripts have been peer-reviewed and accepted for publication. They are posted
online prior to technical editing, formatting for publication and author proofing. The American Chemical
Society provides “Just Accepted” as a free service to the research community to expedite the
dissemination of scientific material as soon as possible after acceptance. “Just Accepted” manuscripts
appear in full in PDF format accompanied by an HTML abstract. “Just Accepted” manuscripts have been
fully peer reviewed, but should not be considered the official version of record. They are accessible to all
readers and citable by the Digital Object Identifier (DOI®). “Just Accepted” is an optional service offered
to authors. Therefore, the “Just Accepted” Web site may not include all articles that will be published
in the journal. After a manuscript is technically edited and formatted, it will be removed from the “Just
Accepted” Web site and published as an ASAP article. Note that technical editing may introduce minor
changes to the manuscript text and/or graphics which could affect content, and all legal disclaimers
and ethical guidelines that apply to the journal pertain. ACS cannot be held responsible for errors
or consequences arising from the use of information contained in these “Just Accepted” manuscripts.