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Nirmal Rana

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Articles

Catalyst-free efficient synthesis of functionalized 1,2,4-triazole via ring opening/cyclization of arylidene thiazolone with aryl/alkyl-hydrazine

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By Anshul Jain, Himani Sharma, Sermadurai Selvakumar, Nirmal Rana
| Royal Society of Chemistry Verified
Catalyst-free efficient synthesis of functionalized 1,2,4-triazole via ring opening/cyclization of arylidene thiazolone with aryl/alkyl-hydrazine We report a catalyst-free synthesis of hydrazone-substituted 1,2,4-triazoles via ring opening/intramolecular cyclization of arylidene thiazolone by aryl/alkyl-hydrazine. The reaction exhibits a broad substrate scope and is demonstrated on a gram scale in both batch and continuous flow synthesis.
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Chiral Thiourea Catalyzed Enantioselective Cascade Synthesis of 2,3‐Dihydrobenzofurans

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By Akanksha Kumari, Anshul Jain, Nirmal Rana
| Wiley Online Library Verified
Supporting Information As a service to our authors and readers, this journal provides supporting information supplied by the authors. Such materials are peer reviewed and may be re-organized for online delivery, but are not copy-edited or typeset. Technical support issues arising from supporting information (other than missing files) should be addressed to the authors.
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Diastereoselective Synthesis of trans-2,3-Dihydroindoles via Formal [4+1] Annulation Reactions of Sulfonium Ylide

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By Anshul Jain, Ramesh K. Metre, Nirmal Rana
| Royal Society of Chemistry Verified
Diastereoselective Synthesis of trans-2,3-Dihydroindoles via Formal [4+1] Annulation Reactions of Sulfonium Ylide We have established an in situ generated sulfonium-ylide mediated annulation to construct 2,3-disunstituted-2,3-dihydoindoles. The [4+1] annulation approach relied on Michael addition/substitution reactions. These reactions are carried out at ambient temperature to deliver dihydroindoles in excellent yields and diastereoselectivities.
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