The notation <3+2> refers to the reactants involved in the cycloaddition. In this case, it signifies that three carbon atoms from one part of the molecule will combine with two carbon atoms from another part of the molecule to form a new ring.
If you need to purchase chemical raw materials, submit your demand information to get the latest quotations.
(1R,3aS,6aR)-3-Methylene-octahydro-pentalene-1-carboxylic acid ethyl ester
2-(4-Phenyl-pent-4-enyl)-[1,3]dithiane
