3-Endo-protected hydroxyl-tricyclo[3,2,0,0.sup.2,7 ]heptan-6-one

Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters

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260389, 260395, 260404, 260408, 260410, 2604105, 549421, 560 8, 560 20, 560 55, 560 66, 560 73, 560 81, 560 84, 560 96, 560100, 560105, 560107, 568315, 568326, 568347, 568373, C07D30912, C07C 69013, C07C 6914, C07C 49517, C07C 49753

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043907210

ABSTRACT:
A novel 3-endo-protected hydroxyl-tricyclo[3,2,0,0.sup.2,7 ]heptan-6-one is described which can be alkylated stereospecifically to give a 5-endo-protected hydroxyl-bicyclo[2,2,1]heptan-2-one which may then be converted via a sequence of reactions into prostaglandins of the F-series having a protecting group at the 9-position. The synthesis of the tricyclo[3,2,0,0.sup.2,7 ]heptan-6-one is also described.

REFERENCES:
patent: 3862178 (1975-01-01), Brown et al.
patent: 3992438 (1976-11-01), Corey et al.
patent: 4002691 (1977-01-01), Shepherd, Jr.
Gilbert et al., Tetrahedron Letters, No. 3, pp. 2545-2548, Jul. 1975, Pergamon Press, Great Britain.

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