470-472<span style="font-size:15.5pt;mso-bidi-font-size:8.5pt; font-family:" times="" new="" roman";mso-fareast-font-family:"times="" roman";="" mso-ansi-language:en-us;mso-fareast-language:en-us;mso-bidi-language:ar-sa"="">7,8-Dihydroxycoumarins 2a-c on reaction with epichlorohydrin in the presence of acetone-potassium carbonate medium give 1,4- and 1,5-dioxanocoumarins 3a-b, 4a-c and <b style="mso-bidi-font-weight: normal">5a-c in a good yields.</span
87-89A simple and highly efficient method for 7:8/6:7-fused pyrano pyrido coumarins <b style="ms...
<p>The novel unsymmetrical 3,5-dialkoxycarbonyl-2,6-dimethyl-4-(7′,8′-dimethoxycoumarin-4′-yl)-1,4-d...
4-Hydroxycoumarins are among the most versatile heterocyclic scaffolds, and they are extensively use...
The synthesis of five naturally occurring polyoxygenated coumarins is described. It concerns two 5,6...
Department of Chemistry, Bhagalpur University, Bhagalpur-812 007 Manuscript received 13 May 1988, ac...
In this article we describe a new methodology for the total synthesis of 3,4-unsubstituted coumarin...
148-151<span style="font-size:14.0pt;mso-bidi-font-size:9.0pt; font-family:" times="" new="" roman"...
4-Hydroxynaphthocoumarin has been synthesised by the internal condensation ofO-carbethoxy-2-acetyl-1...
Starting from 4-benzyloxy-3-methoxy-2-nitrophonylncetio acid, synthesis of 3,4-dihydro-7-hydroxy- 8-...
Coumarin compounds have great interest for their wide range of medicinal and pharmacological propert...
2100-2103<span style="font-size:12.0pt;line-height:115%; font-family:" times="" new="" roman";mso-f...
Synthetic routes to the naturally occurring coumarins glabralactone and the more complex dentatin ha...
545-547<span style="font-size:12.0pt;font-family: " times="" new="" roman";mso-fareast-font-family:...
372-375<span style="font-size:16.5pt;mso-bidi-font-size:7.5pt; font-family:Fd65172-Identity-H;mso-f...
Starting with rnethyl-2-methoxycarbonyl-4,5-dimethoxyphenyl acetate(Ia)5,74-dimethoxyisochroman(II) ...
87-89A simple and highly efficient method for 7:8/6:7-fused pyrano pyrido coumarins <b style="ms...
<p>The novel unsymmetrical 3,5-dialkoxycarbonyl-2,6-dimethyl-4-(7′,8′-dimethoxycoumarin-4′-yl)-1,4-d...
4-Hydroxycoumarins are among the most versatile heterocyclic scaffolds, and they are extensively use...
The synthesis of five naturally occurring polyoxygenated coumarins is described. It concerns two 5,6...
Department of Chemistry, Bhagalpur University, Bhagalpur-812 007 Manuscript received 13 May 1988, ac...
In this article we describe a new methodology for the total synthesis of 3,4-unsubstituted coumarin...
148-151<span style="font-size:14.0pt;mso-bidi-font-size:9.0pt; font-family:" times="" new="" roman"...
4-Hydroxynaphthocoumarin has been synthesised by the internal condensation ofO-carbethoxy-2-acetyl-1...
Starting from 4-benzyloxy-3-methoxy-2-nitrophonylncetio acid, synthesis of 3,4-dihydro-7-hydroxy- 8-...
Coumarin compounds have great interest for their wide range of medicinal and pharmacological propert...
2100-2103<span style="font-size:12.0pt;line-height:115%; font-family:" times="" new="" roman";mso-f...
Synthetic routes to the naturally occurring coumarins glabralactone and the more complex dentatin ha...
545-547<span style="font-size:12.0pt;font-family: " times="" new="" roman";mso-fareast-font-family:...
372-375<span style="font-size:16.5pt;mso-bidi-font-size:7.5pt; font-family:Fd65172-Identity-H;mso-f...
Starting with rnethyl-2-methoxycarbonyl-4,5-dimethoxyphenyl acetate(Ia)5,74-dimethoxyisochroman(II) ...
87-89A simple and highly efficient method for 7:8/6:7-fused pyrano pyrido coumarins <b style="ms...
<p>The novel unsymmetrical 3,5-dialkoxycarbonyl-2,6-dimethyl-4-(7′,8′-dimethoxycoumarin-4′-yl)-1,4-d...
4-Hydroxycoumarins are among the most versatile heterocyclic scaffolds, and they are extensively use...