In the examples the following compounds are prepared: methyl p - (g - diethylamino - b -hydroxy)-propoxybenzoate and the corresponding ethyl and n-butyl esters, ethyl m-(g -diethylamino - b - hydroxy) - propoxybenzoate, n - butyl p - (g - dimethylamino - b - hydroxy)-propoxybenzoate...
The invention will be understood better with the help of the following examples, which do not imply any limitation. EXAMPLE 1 0.5 g of a 40% strength aqueous solution of NaOH is added to 20.2 g (0.1 mole) of 1,2-dodecanediol, and then, at 150° C. and under a gentle stream of nit...
Suitable UV filters are UVB, UVA and broadband filters of the following type: UV-B filters: cinnamic esters, e.g. octyl methoxycinnamate (Eusolex® 2292, Neo Heliopan® AV, Parsol® MCX), isoamyl p-methoxycinnamate (Neo Heliopan® Galanga) and 4-methylbenzylidenecamphor (Euaolex® 6300...
The photosensitive resin composition exhibits excellent development and adhesion properties. Suitable lithographic methods that use the photosensitive resin composition of the present invention are obvious to persons skilled in the art. For example, a suitable method comprises the following steps: (I) ...
The examples describe the use of the following monomers in processes of the above type: (1) ethyl acrylate and methyl methacrylate, (2) methyl methacrylate, (7) methyl methacrylate and ethylene dimethacrylate or allyldiglycolyl allyl glycolate, and (10 styrene and alpha-methylstyrene. The ...
Examples relate to the use of the following esters:--isopropyl ester of the acids produced by oxidation of paraffin wax (2 per cent) (4 per cent), methyl caprylate (1.5 per cent), amyl butyrate (0.5 per cent), glycol stearate (1 per cent), secondary butyl naphthenate (1.5 per cent),...
of grignard reagent was cooled to -20° C. and a solution of (-)-anhydroecgonine methyl ester (21.7 g, 120 mmol) in 100 ml absolute diethyl ether was added over 1/2 hour. The reaction was stirred one hour at -20° C. and the reaction was quenched in one of the following two ...
Preferred acrylate resins for possible use as OH components are homo- or copolymers of monomers such as the following: esters of acrylic acid and methacrylic acid with dihydric, saturated, aliphatic alcohols having 2 to 4 carbon atoms, such as 2-hydroxyethyl acrylate, 2hydroxypropyl acrylate, 4-...
In the following description X, Y, Ar, R1 and R2 are as defined for general formula (I) unless otherwise specified. In the preparation of both intermediates and end-products the final step in the reaction may be the removal of a protecting group. Suitable protecting groups and their removal...
The following examples explain the invention in more detail without restricting it. Silicagel (Macherey & Nagel/Duren, West Germany, grain size 0.05- 2 mm/70- 325 mesh ASTM) is used for chromatographic separations. EXAMPLE 11-methyl-β-D-ribofuranoside1-methyl-β-D-ribofuranoside was produced...