ChemInform Abstract: 1, 8‐Diazabicyclo[5.4.0]undec‐7‐ene: A Highly Efficient Catalyst for One‐Pot Synthesis of Substituted Tetrahydro‐4H‐chromenes, Tetrahydro[b]pyrans, Pyrano[d]pyrimidines, and 4H‐Pyrans in Aqueous Medium. Issue 47 (6th November 2014) - Khurana, Jitender M.