Synthesis of dimethyl thamnolate and dimethyl hypothamnolate
β Scribed by K. Aghoramurthy; T.R. Seshadri; G.B. Venkatasubramanian
- Book ID
- 103396452
- Publisher
- Elsevier Science
- Year
- 1957
- Tongue
- French
- Weight
- 480 KB
- Volume
- 1
- Category
- Article
- ISSN
- 0040-4020
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## Abstract For Abstract see ChemInform Abstract in Full Text.
Dimethyl acetylenedicarboxylate (DMAD) is a very important and useful reagent for the preparation of dimethyl heterocyclic-o-dicarboxylates, which are key intermediates in the synthesis of fused pyridazine derivatives. The synthesis of thiopyranes by the Diels-Alder reaction of dithiocarboxylate der
## 35 The synthesis of dimethyl-[ Slsulphide in high yield from the contact of hydrogen-[35s] sulphide and methanol over a Y A1203.1% Si02 catalyst is described. The procedure produces high yields of dimethyl-[35Sl sulphide of low specific activity compared to that of the hydrogen-[3%1 sulphide s