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Surprising Formation of Chlorinated Butenolides from Dialkyl Acetylenedicarboxylates and Hexachloro­acetone in the Presence of Triphenyl Phosphite

✍ Scribed by Issa Yavari; Maryam Sabbaghan; Zinatossadat Hossaini; Majid Ghazanfarpour-Darjani


Publisher
John Wiley and Sons
Year
2008
Tongue
German
Weight
145 KB
Volume
91
Category
Article
ISSN
0018-019X

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✦ Synopsis


Abstract

Triphenyl phosphite reacts smoothly with dialkyl acetylenedicarboxylates and hexachloroacetone to produce alkyl 2‐(dichloromethylene)‐2,5‐dihydro‐5‐oxo‐4‐(trichloromethyl)furan‐3‐carboxylates in good yields.


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Synthesis of aromatic amine phosphonato
✍ Malek Taher Maghsoodlou; Reza Heydari; Nourallah Hazeri; Sayyed Mostafa Habibi-K 📂 Article 📅 2009 🏛 John Wiley and Sons 🌐 English ⚖ 200 KB 👁 1 views

## Abstract Aromatic amine phosphonato esters **4a–d** were obtained in excellent yields from the 1:1:1 addition reaction between triphenyl phosphite and dimethyl acetylenedicarboxylate in the presence of NH‐aromatic amines such as 2‐aminobenzophenone, 2‐aminoacetophenon, methyl‐2‐aminobenzoate, an