(2R,6R,7R)-7-(Benzoylamino)-3-methylene-8-oxo-5-oxa-1-azabicyclo[4.2.0]octane-2-carboxylic acid diphenylmethyl ester synthesis
- Product Name:(2R,6R,7R)-7-(Benzoylamino)-3-methylene-8-oxo-5-oxa-1-azabicyclo[4.2.0]octane-2-carboxylic acid diphenylmethyl ester
- CAS Number:67977-91-7
- Molecular formula:C28H24N2O5
- Molecular Weight:468.5
![4-Oxa-2,6-diazabicyclo[3.2.0]hept-2-ene-6-acetic acid, α-[1-(hydroxymethyl)ethenyl]-7-oxo-3-phenyl-, diphenylmethyl ester, (αR,1R,5S)-](/CAS/20210305/GIF/67977-88-2.gif)
67977-88-2
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67977-91-7
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Yield:67977-91-7 90%
Reaction Conditions:
boron trifluoride diethyl etherate in ethyl acetate at 25;
References:
Yoshioka, Mitsuru;Tsui, Teruji;Uyeo, Shoichiro;Yamamoto, Sadao;Aoki, Tsutomu;at al. [Tetrahedron Letters,1980,vol. 21,p. 351 - 354]
![Diphenylmethyl (2R)-3-methyl-2-[(1R,5S)-3-phenyl-7-oxo-4-oxa-2,6-diazabicyclo[3,2,0]hept-2-en-6-yl]-3-butenoate](/CAS/GIF/67977-61-1.gif)
67977-61-1
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67977-91-7
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![4-Oxa-2,6-diazabicyclo[3.2.0]hept-2-ene-6-acetic acid, α-[1-(chloromethyl)ethenyl]-7-oxo-3-phenyl-, diphenylmethyl ester, (αR,1R,5S)-](/CAS/20210305/GIF/67977-79-1.gif)
67977-79-1
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67977-91-7
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![1-Azetidineacetic acid, 3-(benzoylamino)-2-chloro-α-[1-(chloromethyl)ethenyl]-4-oxo-, diphenylmethyl ester, [2R-[1(R*),2α,3β]]- (9CI)](/CAS/20211123/GIF/74242-86-7.gif)
74242-86-7
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67977-91-7
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69780-18-3
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67977-91-7
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