Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Mariana Biserkova"'
Publikováno v:
Phosphorus, Sulfur, and Silicon and the Related Elements. 104:151-159
The regioselectivity of the addition of lithiated sulfonamides covers all the possible variations, from pure 1,2- or pure 1,4-additions to mixtures of the two. The 1,2- vs 1,4-addition competition is directed by the “hardness” of sulfonamide “c
Publikováno v:
ChemInform. 23
The addition of metallated N,N-dialkyl-sulfonamides 1 to Mannich bases 2, leading to N,N-dialkylamides of 4-(N′,N′-dialkylamino)-2-hydroxy-2-phenylbutanesulfonic acids (4) is described.
Publikováno v:
Synthetic Communications. 21:1555-1565
The addition of metallated N,N-dialkyl-sulfonamides 1 to Mannich bases 2, leading to N,N-dialkylamides of 4-(N′,N′-dialkylamino)-2-hydroxy-2-phenylbutanesulfonic acids (4) is described.
Publikováno v:
ChemInform. 21
The stereochemistry of aldol reactions of R1CH(M)SO2N(R)2 and aldehydes (R2CHO) is studied under a wide variety of reaction conditions. Effects of temperature, solvent, counterion and the effect of nature and effective volume of substituents R1 and R
Publikováno v:
Phosphorus, Sulfur, and Silicon and the Related Elements. 44:155-165
The stereochemistry of aldol reactions of R1CH(M)SO2N(R)2 and aldehydes (R2CHO) is studied under a wide variety of reaction conditions. Effects of temperature, solvent, counterion and the effect of nature and effective volume of substituents R1 and R