PubMed · 15395330
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G L BUCHANAN. 1949. Colchicine.. https://pubmed.ncbi.nlm.nih.gov/15395330/
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Familial Mediterranean fever (FMF) is a systemic disease with an autosomal recessive inheritance. The most serious complication of FMF is renal amyloidosis. Pregnancy may adversely affect renal function in FMF patients with amyloidosis and nephrotic syndrome. A 20-year-old woman with FMF related nephrotic syndrome became pregnant while receiving colchicine therapy. Colchicine treatment was continued during pregnancy with close observation. She gave birth to a 2400 g healthy female newborn at the 38th week of gestation. Pregnancy and neonatal outcome were uneventful. It is advisable to continue colchicine treatment during conception and pregnancy in FMF patients with amyloid related nephrotic syndrome. Colchicine treatment with bed rest, protein reinforcement, acetylsalicylic acid administration and close follow-up may improve the outcome of pregnancy in FMF patients.
[reaction: see text] A synthesis of the antimitotic alkaloids (-)-colchicine and (-)-isocolchicine is reported. Important steps are (a) enantioselective transfer-hydrogenation of an alkynone, (b) iodine/magnesium exchange with subsequent aromatic acylation, (c) Rh-catalyzed transformation of an alpha-diazoketone into an oxatetracyclic key intermediate through intramolecular [3 + 2]-cycloaddition of an in situ generated carbonyl ylide, and (d) regioselective conversion of the cycloadduct into a tropolone derivative. The new synthetic strategy opens an efficient enantioselective access to colchicine and structural analogues.