Academic Journal

Highly Selective Synthesis of α-Hydroxy, α-Oxy, and α-Oxo Amides by a Post-Passerini Condensation Transformation

التفاصيل البيبلوغرافية
العنوان: Highly Selective Synthesis of α-Hydroxy, α-Oxy, and α-Oxo Amides by a Post-Passerini Condensation Transformation
المؤلفون: Morteza Shiri, Zahra Gholami-Koupaei, Farzaneh Bandehali-Naeini, Maryam-Sadat Tonekaboni, Saeedeh Soheil-Moghaddam, Delaram Ebrahimi, Sima Karami, Behrouz Notash
المصدر: Synthesis (Germany), 52(21), 3243-3252, (2020-06-08)
بيانات النشر: Zenodo
سنة النشر: 2020
المجموعة: Zenodo
مصطلحات موضوعية: Passerini adduct, dealkynylation, deacetylation, cyclization, iodine, cascade reaction, post-condensation transformation
الوصف: A post-Passerini condensation transformation can be employed in the synthesis of three types of amides: a-hydroxy, a-oxy, and a-oxo amides. K2CO3 efficiently promotes the solvolysis of a-acetoxy amides to form a-hydroxy amides in methanol. 2-Acetoxy-2-(2-alkynylquinolin-3-yl)acetamides in basic methanol are cyclized to 1,3-dihydrofuro[3,4-b]quinoline-1-carboxamides via deacetylation and 5-exo-dig cyclization. Treatment of 2-hydroxy-2-[2-(phenylethynyl)quinolin-3yl]acetamides with I2 in basic media produces pyrrolo[2,3-b]quinoline2,3-diones. This cyclization involves intramolecular cyclization, dealkynylative aromatization, and oxidation of the secondary alcohol.
نوع الوثيقة: article in journal/newspaper
اللغة: English
Relation: oai:zenodo.org:4562235
DOI: 10.1055/s-0040-1707132
الاتاحة: https://doi.org/10.1055/s-0040-1707132
Rights: info:eu-repo/semantics/openAccess ; Creative Commons Attribution 4.0 International ; https://creativecommons.org/licenses/by/4.0/legalcode
رقم الانضمام: edsbas.A9BCFBBC
قاعدة البيانات: BASE