Journal
ARKIVOC
Volume -, Issue -, Pages -Publisher
ARKAT USA INC
DOI: 10.24820/ark.5550190.p011.947
Keywords
Solvent-controlled; diastereodivergent; polymer-supported amines; Thia-Michael/aldol; cascade; tetrahydrothiophene
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An efficient and solvent-controlled diastereodivergent thia-Michael/aldol cascade synthesis of tetrahydrothiophenes (THTs) has been developed. The cascade reaction is catalyzed by polystyrene-supported amine to afford trisubstituted tetrahydrothiophene derivatives in excellent yields and diastereoselectivities. A broad range of substrate tolerance is examined under two different solvents to access a library of diastereomeric THTs. Moreover, the polymer-supported amines can be recovered and reused for the cascade reaction.
An efficient and solvent-controlled diastereodivergent thia-Michael/aldol cascade synthesis of tetrahydrothiophenes (THTs) has been developed. The cascade reaction is catalyzed by polystyrene-supported amine to afford trisubstituted tetrahydrothiophene derivatives in excellent yields and diastereoselectivities. A broad range of substrate tolerance is examined under two different solvents to access a library of diastereomeric THTs. Moreover, the polymer-supported amines can be recovered and reused for the cascade reaction. [GRAPHICS] .
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