117844-86-7Relevant articles and documents
Acid Catalysed Condensation of Isoprene with Hydroxypropiophenones: Synthesis of 2,2-Dimethylchromans and Some New 2-Amino- and 2-Mercapto-4-aryl-5-methylthiazoles
Ahluwalia, V. K.,Nayal, Lalita,Bala, Shashi,Raghav, Sudha
, p. 629 - 632 (2007/10/02)
Condensation of hydroxypropiophenones with isoprene in the presence of orthophosphoric acid gives 3,4-dihydro-2,2-dimethylchromans (4a, 4b, 17 and 18) which have been used for the synthesis of some 2-amino-(7a, 7b, 12a and 12b) and 2-mercapto- (10a, 10b,