480-52-4Relevant articles and documents
Synthesis of Calythrone and Related Cyclopentene-1,3-diones via Rearrangement of 4-Ylidenebutenolides
Clemo, Nicholas G.,Gedge, David R.,Pattenden, Gerald
, p. 1448 - 1453 (2007/10/02)
Treatment of 4-ylidenebutenolides with sodium methoxide in methanol results in rearrangement to the corresponding cyclopentene-1,3-diones in high yield.The general method is applied in a synthesis of calythrone from Calythrix tetragona, an