Ph3P-mediated one-pot synthesis of functionalized 3,4-dihydro-2H-1,3-thiazines from N,N '-dialkylthioureas and activated acetylenes in water

作者：Yavari Issa^*; Nematpour Manijeh; Hossaini Zinatossadat

来源：Monatshefte fur Chemie, 2010, 141(2): 229-232.

DOI：10.1007/s00706-009-0247-y

• 1,3-Thiazines
• Dialkylthiourea
• Acetylenic ester
• Triphenylphosphine

A one-pot synthesis of alkyl 3,4-dihydro-4-oxo-2H-1,3-thiazine-6-carboxylates from dialkyl acetylenedicarboxylates and N,N'-dialkylthioureas in the presence of triphenylphosphine (20 mol%) is described.

• 出版日期2010-2