Product Name: (3S,4R)-4-Acetoxy-3-[(R)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one
Synonyms: 4-AA;(3s,4r)-4-acetoxy-3-[(r)-1-(tert-butyldimethylsilyloxy)ethyl]azetidin-2-one;(3R,4R)-(+)-4-ACETOXY-3-[(R)-(T-BUTYLDIMETHYLSILYLOXY)ETHYL]-2-AZETIDINONE;(3R,4R)-4-ACETOXY-3-[(R)-(T-BUTYLDIMETHYLSILYLOXY)ETHYL]-2-AZETIDINONE;(3R,4R)-4-ACETOXY-3-[(R)-(TERT-BUTYLDIMETHYLSILYLOXY)ETHYL]-2-AZETIDINONE;(3R,4R)-4-(ACETYLOXY)-3-[(1R)-1-[[(1,1-DIMETHYLETHYL)DIMETHYLSILYL]OXY]ETHYL]-2-AZETIDINONE;[3R(1'R,4R)]-(+)-4-ACETOXY-3-[1-(TERT-BUTYLDIMETHYLSILYLOXY)ETHYL]-2-AZETIDINONE;(2R,3R)-3-[(R)-1-(TERT-BUTYLDIMETHYLSILYLOXY)ETHYL]-4-OXOAZETIDIN-2-YLACETATE
CAS: 76855-69-1
MF: C13H25NO4Si
MW: 287.43

EINECS: 408-050-9

Melting point 107-109 °C(lit.)
alpha 51 o (c=1, chloroform)
storage temp. 2-8°C
Chemical Properties white to light yellow crystal powde
Usage An acetoxyazetidinone derivative used as an intermediate in the preparation of carbapenem antibiotics.