2-Chloro-3-(4-chlorooxazole-5-yl)-indoles and 4-chloro-5-phenyl-oxazoles 3 were synthesised from acyl cyanides 1, aldehydes 2 and hydrogen chloride. By further derivatisation of the substituent at position 2 of the 4-chlorooxazole ring, useful potential building blocks 31, 3n and 3o for a total synthesis of diazonamide A, were obtained.
机构:
Natl Chem Lab, CSIR, Organ Chem Div, Dr Homi Bhabha Rd, Pune 411008, Maharashtra, India
Acad Sci & Innovat Res AcSIR, New Delhi, IndiaNatl Chem Lab, CSIR, Organ Chem Div, Dr Homi Bhabha Rd, Pune 411008, Maharashtra, India
Thorat, Sagar S.
Kontham, Ravindar
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机构:
Natl Chem Lab, CSIR, Organ Chem Div, Dr Homi Bhabha Rd, Pune 411008, Maharashtra, India
Acad Sci & Innovat Res AcSIR, New Delhi, IndiaNatl Chem Lab, CSIR, Organ Chem Div, Dr Homi Bhabha Rd, Pune 411008, Maharashtra, India