A convenient synthesis of penicillic acid
โ Scribed by Chin-Lung Yeh; William T. Colwell; Joseph I. DeGraw
- Publisher
- Elsevier Science
- Year
- 1978
- Tongue
- French
- Weight
- 107 KB
- Volume
- 19
- Category
- Article
- ISSN
- 0040-4039
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๐ SIMILAR VOLUMES
Recently lunularic acid (lb), a new growth inhibitor from Lunularia cruciata (L) Dum., has been isolated and characterized. 1 Final proof of the structure was provided by the derivation of lb from hydrangenol (2).lr2 The synthesis of
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## Abstract The reaction of phosgene or triphosgene with trimethylsilyl dialkylphosphites led to bisdialkylphosphonomethylโdialkylphosphates in good yields. The cleavage of the allyl ester was carried out under mild conditions using the Wilkinson catalyst. ยฉ 2003 Wiley Periodicals, Inc. Heteroatom
by basic hydrolysis is the standard method to prepare cyclopropene carboxylic acidst2). We have found, however, that if the cyclopropene resulting from the initial addition has a benzylic hydrogen adjacent to the ring, the alkaline hydrolysis condition lead instead to methylenecyclopropane acids. T