—— |
(3S,4S)-4-<1-<(benzoyloxy)methyl>ethenyl>-3-<(R)-1-<(t-butyldimethylsilyl)oxy>ethyl>azetidin-2-one |
163167-32-6 |
C21H31NO4Si |
389.567 |
—— |
(3S,4R)-3-<(R)-1-(t-butyldimethylsilyloxy)ethyl>-4-<(R)-1-(hydroxymethyl)ethyl>-2-azetidinone |
111187-44-1 |
C14H29NO3Si |
287.475 |
(3S,4S)-3-[(R)-1-(叔丁基二甲基硅氧基)乙基]-4-[(R)-1-羰乙基]-2-氮杂环丁酮 |
(2R)-2-[(2S,3S)-3-{(1R)-1-(t-butyldimethylsilyloxy)ethyl}-4-oxoazetidin-2-yl]propionic acid |
90776-58-2 |
C14H27NO4Si |
301.458 |
—— |
(3S,4R)-3-((1R)-1-<(tert-butyldimethylsilyl)oxy>ethyl)-4-<(1S)-1-(formyl)ethyl>azetidin-2-one |
159496-98-7 |
C14H27NO3Si |
285.459 |
—— |
(3S,4R)-3-((1R)-1-<(tert-butyldimethylsilyl)oxy>ethyl)-4-<(1S,2E)-(4-hydroxy-1-methyl)-2-butenyl>azetidin-2-one |
224780-66-9 |
C16H31NO3Si |
313.513 |
—— |
(3S,4R)-3-((1R)-1-<(tert-butyldimethylsilyl)oxy>ethyl)-4-<(1S,2E)-(4-ethoxycarbonyloxy-1-methyl)-2-butenyl>azetidin-2-one |
224780-76-1 |
C19H35NO5Si |
385.576 |
—— |
(3S,4R)-3-((1R)-1-<(tert-butyldimethylsilyl)oxy>ethyl)-4-<(1S,2E)-(3-ethoxycarbonyl-1-methyl)-1-propenyl>azetidin-2-one |
171782-14-2 |
C18H33NO4Si |
355.55 |
—— |
(3S,4S)-4-<1-<(benzoyloxy)methyl>ethenyl>-3-<(R)-1-<(t-butyldimethylsilyl)oxy>ethyl>-1-<(ethoxycarbonyl)methyl>azetidin-2-one |
163167-33-7 |
C25H37NO6Si |
475.657 |
—— |
(3S,4R)-3-((1R)-1-<(tert-butyldimethylsilyl)oxy>ethyl)-4-<(1S,2E)-(4-benzoyloxy-1-methyl)-2-butenyl>azetidin-2-one |
224780-68-1 |
C23H35NO4Si |
417.621 |
—— |
(3S,4S)-4-<1-<(benzoyloxy)methyl>ethenyl>-3-<(R)-1-<(t-butyldimethylsilyl)oxy>ethyl>-1-azetidin-2-one |
163167-34-8 |
C28H41NO8Si |
547.721 |
—— |
(3S,4R)-3-((1R)-1-<(tert-butyldimethylsilyl)oxy>ethyl)-4-<(1S,2E)-(4-ethoxycarbonyloxy-1-methyl)-2-butenyl>-1-<(ethoxycarbonyl)methyl>azetidin-2-one |
224780-78-3 |
C23H41NO7Si |
471.667 |
—— |
(3S,4R)-3-((1R)-1-<(tert-butyldimethylsilyl)oxy>ethyl)-4-<(1S,2E)-(4-benzoyloxy-1-methyl)-2-butenyl>-1-<(ethoxycarbonyl)methyl>azetidin-2-one |
224780-70-5 |
C27H41NO6Si |
503.711 |
—— |
(5S,6S)-6-<(R)-1-<(t-butyldimethylsilyl)oxy>ethyl>-2,2-bis(ethoxycarbonyl)-4-methylidene-1-azabicyclo<3.2.0>heptan-7-one |
163167-37-1 |
C21H35NO6Si |
425.598 |
—— |
(3S,4R)-3-((1R)-1-<(tert-butyldimethylsilyl)oxy>ethyl)-4-<(1S,2E)-(4-ethoxycarbonyloxy-1-methyl)-2-butenyl>-1-azetidin-2-one |
224780-80-7 |
C26H45NO9Si |
543.73 |