Dergiler / Turkish Journal of Chemistry / 2005 / Cilt: 29 - Sayı: 3

Synthesis of some new dihalophenyl-and dihalobenzylisocoumarins and their (dl) 3,4-dihydroderivatives

Sayfa
321–325
Yayın Tarihi
2022-11-05
DOI
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The alkaline hydrolysis of these isocoumarins (2a-c) afforded keto-acids (4a-c). (dl)-3-(Dihalophenyl)- and (dl)-3-(dihalobenzyl)- 3,4-dihydroisocoumarins (6a-c) were obtained by reduction of keto-acids (4a-c) to racemic hydroxy-acids (5a-c) followed by cyclodehydration using acetic anhydride.

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Amaç & Hipotez:3-Dihalophenyl- and dihalobenzylisocoumarins (3a-c) were synthesized by condensation of homophthalic acid (1) with dihalobenzoyl- and dihalophenylacetyl chlorides (2a-c), respectively.
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Temel Bulgular & Veri:3-Dihalophenyl- and dihalobenzylisocoumarins (3a-c) were synthesized by condensation of homophthalic acid (1) with dihalobenzoyl- and dihalophenylacetyl chlorides (2a-c), respectively.
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Sonuç & Katkı:The alkaline hydrolysis of these isocoumarins (2a-c) afforded keto-acids (4a-c). (dl)-3-(Dihalophenyl)- and (dl)-3-(dihalobenzyl)- 3,4-dihydroisocoumarins (6a-c) were obtained by reduction of keto-acids (4a-c) to racemic hydroxy-acids (5a-c) followed by cyclodehydration using acetic anhydride.
🔬Tür:Araştırma Makalesi
📍Kapsam:Genişletilmiş Akademik Örneklem
⚙️Değişkenler:Alan Parametreleri

Abstract

3-Dihalophenyl- and dihalobenzylisocoumarins (3a-c) were synthesized by condensation of homophthalic acid (1) with dihalobenzoyl- and dihalophenylacetyl chlorides (2a-c), respectively. The alkaline hydrolysis of these isocoumarins (2a-c) afforded keto-acids (4a-c). (dl)-3-(Dihalophenyl)- and (dl)-3-(dihalobenzyl)- 3,4-dihydroisocoumarins (6a-c) were obtained by reduction of keto-acids (4a-c) to racemic hydroxy-acids (5a-c) followed by cyclodehydration using acetic anhydride.

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Bu Makaleye Atıf Yap

HUSSAIN, M. T., RAMA, N. H., HAMEED, S., SHAFIQ, Z., ARFAN, M., ABBAS, G. (2022). Synthesis of some new dihalophenyl-and dihalobenzylisocoumarins and their (dl) 3,4-dihydroderivatives. Turkish Journal of Chemistry, Cilt: 29 - Sayı: 3, 321–325. https://ajindex.com/articles/602233

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