Industrial process for preparing tropenol

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

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C546S127000, C546S131000

Reexamination Certificate

active

07321039

ABSTRACT:
The invention relates to a new industrially useable process for preparing tropenol, optionally in the form of the acid addition salts thereof.

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Sobotta, R. et al; “Process for the Manufacture of Tropenol”; U.S. Appl. No. 10/160,702; filed Jun. 3, 2002.
Bremner, J. B.; “Alkaloids As Starting Materials For Synthesis: The Use of Scopolamine And Castanospermine”; ACGC Chem. Res. Comm.; vol. 11, 2000, pp. 20-28.
Bremner, J. B. et al; “A Meisenheimer Rearrangement Approach To Bridgehead Hydroxylated Tropane Alkaloid Derivatives”; Tetrahedron Letters, vol. 37, No. 1, 1996, pp. 97-100.
Aberle, N. S. et al; “Parallel modification of tropane alkaloids”; Tetrahedron Letters 42 (2001), pp. 1975-1977.
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