ChemicalBook CAS DataBase List 1,2-DICARBOXY-CIS-4,5-DIHYDROXYCYCLOHEXA-2,6-DIENE

1,2-DICARBOXY-CIS-4,5-DIHYDROXYCYCLOHEXA-2,6-DIENE synthesis

6synthesis methods

Product Name:1,2-DICARBOXY-CIS-4,5-DIHYDROXYCYCLOHEXA-2,6-DIENE
CAS Number:130073-64-2
Molecular formula:C8H8O6
Molecular Weight:200.15

Ethanamine, N-[(3,5-dichlorophenyl)methylene]-2,2-diethoxy-

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1,2-DICARBOXY-CIS-4,5-DIHYDROXYCYCLOHEXA-2,6-DIENE

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Yield:-

Steps:

Multi-step reaction with 4 steps
1: 54 percent / lithium hexamethyldisilazide / tetrahydrofuran / a) - 42 deg C, 4 h, b) -23 deg C, 1.5 h
2: 88 percent / methanesulfonyl chloride, triethylamine / CH₂Cl₂ / 1 h / 0 °C
3: 70 percent / iodine / methanol / 3 h / Heating
4: 70 percent Turnov_. / tetra(n-butyl)ammonium fluoride / tetrahydrofuran / 0.5 h / Ambient temperature

References:

Yang, Wu;Koreeda, Masato [Journal of Organic Chemistry,1992,vol. 57,# 14,p. 3836 - 3839]

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130073-64-2
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References

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References

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130073-64-2
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References

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130073-64-2
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References