A new one-pot synthesis of 3-amino-g-lactams that is based on the condensation of simple imines with zinc enolates of disilyl protected glycine esters is mported Isolated yields are high and a rranr-selectivity is observed. ## with imines. With N-(benzylidene)-trimethylsilylamine the ring-closure
✦ LIBER ✦
The syntheses of β-lactams from zinc enolates of N,N-disubstituted α-aminoacid esters and imines: Substituent and solvent effects
✍ Scribed by Fred H van der Steen; Henk Kleijn; Johann T.B.H Jastrzebski; Gerard van Koten
- Publisher
- Elsevier Science
- Year
- 1989
- Tongue
- French
- Weight
- 383 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0040-4039
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
Stereoselective one-pot syntheses of tra
✍
Fred H van der Steen; Johann T.B.H Jastrzebski; Gerard van Koten
📂
Article
📅
1988
🏛
Elsevier Science
🌐
French
⚖ 262 KB
Novel solvent hydrogen-bonding effects i
✍
Kristina L Stensaas; Jason A Payne; Alexa N Ivancic; Anisha Bajaj
📂
Article
📅
2002
🏛
Elsevier Science
🌐
French
⚖ 65 KB
The photooxidations of tiglic acid, angelic acid, 2,3-dimethyl-2-butenoic acid and their corresponding methyl esters using singlet oxygen were investigated in methanol and methanol/water solvent mixtures and compared to non-hydrogen-bonding solvents with different dielectric constants. The major and