74120-48-2

Upstream product

• 54125-02-9 danishefsky's diene 
• 74120-47-1 1-bromo-3-<3,4-(methylenedioxy)phenyl>-4-(phenylsulfonyl)-3-buten-2-one 
• 4676-39-5 1-(1,3-benzodioxol-5-yl)-2-propanone 
• 83379-56-0 ((E)-2-Benzo[1,3]dioxol-5-yl-1-methylene-3-phenylsulfanyl-allyloxy)-trimethyl-silane 
• 83379-55-9 1-bromo-3-<3,4-(methylenedioxy)phenyl>-4-(phenylthio)-3-buten-2-one 
• 83379-54-8 3-<3,4-(methylenedioxy)phenyl>-4-(phenylthio)-3-buten-2-one 
• 74120-41-5 4-(dimethylamino)-3-<3,4-(methylenedioxy)phenyl>-3-buten-2-one 

Downstream Products

• 86064-46-2 6a-epipretazettine 
• 86116-85-0 O-methyl-6a-epipretazettine 

Relevant academic research and scientific papers

Total Synthesis of dl-Tazettine and 6a-Epipretazettine: A Formal Synthesis of dl-Pretazettine. Some Observations on the Relationship of 6a-Epipretazettine and Tazettine

Diels-Alder cycloaddition of dienophile 26 with diene 8 produces the protected 4-aryl-4-acylcyclohexadienone 37.This is converted in two steps to the oxidized mesembrine derivative 11.Through the novel use of trimethyl orthoformate as a C1 inte