Synthesis of 2-methylthio-4H-1,3,2-benzodioxaphosphorin-2-oxide by thiono-thiol conversion and its use as phosphorylating agent
โ Scribed by Morifusa Eto; Mitsuru Sasaki; Masayoshi Iio; Masayoshi Eto; Hideo Ohkawa
- Publisher
- Elsevier Science
- Year
- 1971
- Tongue
- French
- Weight
- 194 KB
- Volume
- 12
- Category
- Article
- ISSN
- 0040-4039
No coin nor oath required. For personal study only.
๐ SIMILAR VOLUMES
N-t-Butylacetamidines 1 on heating with methyl acrylate (2) at 200ห gave the 4,5-dihydro-3H-pyridin-2one derivatives 5. Michael addition of the acetamidines 1 as their ene-1,1-diamine tautomers 1' to 2 and the subsequent cyclization of the adducts gave derivatives 5. Amidines 1 on reaction with trim
## Abstract Triphenylphosphine (TPP) has been utilized as a novel and efficient catalyst for the Knoevenagel condensation of indoleโ3โcarboxaldehydes **1(aโe)**, 1โmethylโ1Hโindoleโ3โcarboxaldehydes **4(aโe)**, and 1โethylโ1Hโindoleโ3โcarboxaldehydes **6(aโe)** with the active methylene compound, t