65165-50-6

Upstream product

• 19912-14-2 (2S,5R,6R)-6-amino-2-(benzyloxycarbonyl)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane p-toluenesulfonic acid 

Downstream Products

• 147490-52-6 benzyl 6β-<(1'R,2'S,3'R,4'R)-2',3'-dibenzoyloxy-4'-(benzoyloxymethyl)cyclopentane-1'-carboxamido>penicillanate 1β-oxide 
• 147600-23-5 benzyl 6β-<(1'S,2'R,3'S,4'S)-2',3'-dibenzoyloxy-4'-(benzoyloxymethyl)cyclopentane-1'-carboxamido>penicillanate 1β-oxide 
• 65102-80-9 1β-oxo-6α-(3-oxo-3H-isobenzofuran-1-ylideneamino)-1λ⁴-penicillanic acid benzyl ester 
• 147600-22-4 benzyl 6β-<(1'S,2'R,3'S,4'S)-2',3'-dibenzoyloxy-4'-(benzoyloxymethyl)cyclopentane-1'-carboxamido>penicillanate 
• 147490-51-5 benzyl 6β-<(1'R,2'S,3'R,4'R)-2',3'-dibenzoyloxy-4'-(benzoyloxymethyl)cyclopentane-1'-carboxamido>penicillanate 
• 147600-24-6 benzyl 2-<2-<(1'S,2'R,3'S,4'S)-2',3'-dibenzoyloxy-4'-(benzoyloxymethyl)cyclopentyl>thiazole-4-carboxamido>-3-methylbut-2-enoate 
• 147490-53-7 benzyl 2-<2-<(1'R,2'S,3'R,4'R)-2',3'-dibenzoyloxy-4'-(benzoyloxymethyl)cyclopentyl>thiazole-4-carboxamido>-3-methylbut-2-enoate 
• 65102-78-5 6β-(2-carboxy-benzoylamino)-1β-oxo-1λ⁴-penicillanic acid benzyl ester 

Relevant academic research and scientific papers

C-Nucleosides. Part 2. Preparation of 2-thiazole-4-carboxamide ('Carbocyclic' Tiazofurin) and its Antipode

Benzyl 6β-aminopenicillanate 1β-oxide 9c underwent N-acylation with (1R*,2S*,3R*,4R*)-2,3-dibenzoyloxy-4-(benzoyloxymethyl)cyclopentanecarbonyl chloride 11b - assembled in nine steps from trinorbornadiene - to give a mixture of the penicillins 10d and 13c