A facile synthesis of 3-methyl-2H-1-benzopyrans via claisen rearrangement
作者:D Gopal、K Rajagopalan
DOI:10.1016/s0040-4039(00)85354-x
日期:1986.1
Several aryl-1(3-bromo-2-methyl-prop-2-ene) ethers have been prepared and their thermal rearrangements in PEG-400 in the presence of N,N-diethylaniline were found to yield the title compounds.
Furoisoquinoline derivatives, process for producing the same and use thereof
申请人:——
公开号:US20040092582A1
公开(公告)日:2004-05-13
A compound having a partial structure represented by Formula:
1
or a salt thereof has an excellent phosphodiesterase (PDE) IV-inhibiting effect, and is useful as a prophylactic or therapeutic agent against inflammatory diseases, for example, bronchial asthma, chronic obstructive pulmonary disease (COPD), rheumatoid arthritis, autoimmune disease, diabetes and the like.
FUROISOQUINOLINE DERIVATIVES, PROCESS FOR PRODUCING THE SAME AND USE THEREOF
申请人:Takeda Pharmaceutical Company Limited
公开号:EP1270577B1
公开(公告)日:2006-12-06
Preparation of Chiral Building Blocks for a Highly Convergent Vitamin E Synthesis. Systematic Investigations on the Enantioselectivity of the Sharpless Bishydroxylation