Silylated polycarbonate polymers, method of making, and articles
申请人:Lens Jan Pleun
公开号:US20080306294A1
公开(公告)日:2008-12-11
A silylated dihydroxy aromatic compound of the formula (1a);
wherein G
a
and G
b
are each independently C
1-12
alkyl, —OSi(C
1-12
alkyl)
3
, C
1-12
arylalkyl, or —OSi(C
1-12
arylalkyl)
3
; Z
a
and Z
b
are each independently a straight or branched C
2-18
alkylene, a C
8-18
arylalkylene, or a C
8-18
alkylarylene, X
a
is a direct bond, a heteroatom-containing group, or a C
1-18
organic group, and r and s are each independently 1 or 2 is disclosed.
The present invention relates to novel depsipeptide compounds. The invention also relates to pharmaceutical compositions of these compounds and methods of using these compounds as antibacterial compounds. The invention also relates to methods of producing these novel depsipeptide compounds and intermediates used in producing these compounds.
Cannabinoid analogues that exhibit specificity for the CB
2
cannabinoid receptor are provided. The analogues are 1-methoxy-, 1-deoxy-11-hydroxy- and 11-hydroxy-1-methoxy-Δ
8
-tetrahydrocannabinols and 1-alkyl-3(1-naphthoyl)indoles. The compounds are useful for the treatment of pain (especially pain resulting from inflammation) and cancer (especially glioma tumors).
Process for the Preparation of (Meth)Acrylates of Tetra-Or Polyhydric Alcohols
申请人:Schmitt Bardo
公开号:US20080194861A1
公开(公告)日:2008-08-14
Process for the preparation of acrylic and methacrylic acid esters by transesterification of (meth)acrylic acid esters of the formula I: where R
1
is H or CH
3
and R
2
is an alkyl radical having 1 to 40 carbon atoms, with alkanols which have four or more esterifiable hydroxyl groups, characterized in that 0.01 to 10% by weight, based on the total reaction mixture, of lithium amide catalysts are used as transesterification catalyst.