Welch synthesis

C.S. Dence, C.S. John, W.D. Bowen, M.J. Welch, Synthesis and evaluation of [F-18] labeled benzamides High affinity sigma receptor ligands for PET imaging, Nucl. Med. Biol. 24 (1997) 333-340. 

E. D. Hostetler, W.B. Edwards, C.J. Anderson, M.J. Welch, Synthesis of 4-[ F] fluorobenzoyl octreotide and biodistribution in tumor-bearing Lewis rats, J. Label. Compds Radiopharm. 42 (1999) S720-S722. 

Olah Welch Synthesis 1974, 653 Olah Welch Vankar Nojima Kerekes Olah J. Org. Chem. 1979, 44, 3872 Alvernhe Lacombe Laurent Roussel J. Chem. Res., (S) 1983, 246. 

Olah Welch Synthesis 1974, 896 Olah Welch Vankar Nojima Kerekes Olah, Ref. 996. 

Dry NaNOj added to a stirred mixture of rac. tyrosine and 70%-polyhydrogen fluoride-pyridine, and the product isolated after 1 hr. stirring -> 3-(4-hydroxy-phenyl)-2-fluoropropanoic acid. Y 90%. F. e. s. G. A. Olah and J. Welch, Synthesis 1974, 652 f. reactions s. ibid. 1974, 653, 654. 

N. L. Zutty and F.J. Welch, Synthesis of vinyl polymers containing a-substituted y-butyrolactone groups in their backbone, Polym. Sci., Part A 1 2289 (1963). 

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