Substantially isomerically pure hexane or hexene compounds

Details Substantially isomerically pure hexane or hexene compounds Substantially isomerically pure hexane or hexene compounds

1993-02-10

1994-08-30

Ivy, C. Warren

Organic compounds -- part of the class 532-570 series

Organic compounds

Silicon containing

560 27, 560 29, 560115, 564355, 564360, 564454, 564455, C07F 702

Patent

active

053429818

ABSTRACT:
The present invention relates to intermediates useful in a process for the preparation of a compound of the formula: ##STR1## wherein R.sub.2a is hydrogen or loweralkyl, R.sub.2b is hydrogen, loweralkyl, cycloalkyl or phenyl and R.sub.1 is cycloalkyl, cycloalkylalkyl, phenyl or benzyl. These intermediates are compounds of the formula: ##STR2## wherein P.sub.2 is an O-protecting group, P.sub.3 is an N-protecting group and R.sub.1, R.sub.2a and R.sub.2b are defined as above.

REFERENCES:
patent: 4880781 (1989-11-01), Hester et al.
Shiozaki, Tetrahedron Letters, vol. 30, No. 28, pp. 3669-3670, 1989.
Nishi, et al., Chemistry Letters, pp. 1993-1996, 1989.
Bradbury, et al. Tetrahedron Letters, vol. 30, No. 29, pp. 3845-3848, 1989.
Chakravarty, et al., Tetrahedron Letters, vol. 30, No. 4, pp. 415-418, 1989.
Holloday et al., Tetrahedron Lett., 1983, 24(41), 4401-4.
Thaisrivongs, J. Med. Chem, 1990, 33, 1337-1343.
Harbeson et al, J. Med. Chem., 1989, 32, 1378-1392.
Mikami et al, Tetrahedron Lett, 1990, 31(27), 3909-12.

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