Examples of 'isopropenyl' in a sentence
Meaning of "isopropenyl"
isopropenyl (noun): A chemical compound that contains the isopropenyl functional group, commonly used in organic synthesis and the production of various materials
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- The univalent hydrocarbon radical derived from isoprene CH₂=C(CH₃)-
How to use "isopropenyl" in a sentence
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isopropenyl
Isopropenyl chloroformate is an expensive and unstable reagent.
Examples of such groups are ethenyl and isopropenyl.
Isopropenyl methyl ether.
A preferred acetylenolic ester solvent would be isopropenyl acetate.
Isopropenyl acetate and vinyl acetate are particularly preferred acylating agents.
Another embodiment is isopropenyl.
Removal of the isopropenyl group can be performed using hot acidic medium.
Another embodiments is isopropenyl.
Vinyl, propenyl and isopropenyl groups are preferred.
The following exemplifies a typical method involving the protecting group is isopropenyl.
The LCST monomers are preferably vinyl and isopropenyl monomers comprising functional groups.
Isopropenyl acetate was added dropwise to the polyester over a period of 4 hours.
The resultant derivatives are analogous to the vinyl and isopropenyl aromatics described herein.
Vinyl acylates, isopropenyl acylates in the presence of enzymes such as lipases or esterases.
R " is most preferably a vinyl or isopropenyl group.
See also
For example, vinyl phenol isopropenyl phenol and derivatives thereof may be used.
Preferably, the reagent is a vinyl alkanoate or an isopropenyl alkanoate.
Of these groups, isopropenyl is preferred.
A process according to claim 2, characterized in that the alkenyl substituents are isopropenyl groups.
An enol ester, such as a vinyl or isopropenyl alkanoate, or an alkoxy enol ester.
Alkenyl groups that may be mentioned include vinyl, allyl and isopropenyl groups.
Isopropenyl ethers are thus also incapable of satisfying the requirement for emission-free crosslinking.
Represents hydrogen represents hydrogen represents the 3 isopropenyl a, a dimethylbenzyl urethane group.
Within this particularly preferred sub-group, especially preferred compounds are compounds in which Y is isopropenyl.
More specific examples include methyl methacrylate, isopropenyl acetate and butyl and isobutyl acrylate.
Appropriate acetate solvents include, for example, simple alcohol esters of acetate acid, particularly isopropenyl acetate.
Particularly preferably, R is vinyl or isopropenyl, especially preferably isopropenyl.
A process according to either preceding claim, wherein R " represents a vinyl or isopropenyl group.
Especially preferably R is vinyl or isopropenyl, more preferably isopropenyl.
The method of Claim 1 wherein the acylating reagent is vinyl acetate or isopropenyl acetate.
Methyl isopropenyl ketone, stabilized.
A process according to any one of the preceding claims, wherein R " is a vinyl or isopropenyl group.
In a similar manner isopropenyl butyrate was prepared from butyric acid in 54 % yield.
A compound according to claim 1 wherein Y is isopropenyl.
The a, w-diene-propylene polymer has isopropenyl groups at both terminals.
Such monomers include e.g. dibromostyrene, tribromostyrene, tetrabromostyrene, monomethyldibromostyrene, vinyl naphthalene and isopropenyl naphthalene.
Reaction of 2-Benzimidazolinone with isopropenyl acetate leads to the singly protected imidazolone derivative 2.
Examples of a preferable aspect of the " lower alkenyl " include vinyl, allyl, propenyl, isopropenyl and butenyl.
Additional isopropenyl chloroformate ( 50µL ) was added and the mixture stirred at RT overnight.
The method according to claim 5, wherein compound III is isopropenyl acetate.
Acetone and isopropenyl acetate was continuously distilled off until the temperature reached 98°C.
In one preferred embodiment, R4 ' is isopropyl or isopropenyl, and more particularly is isopropenyl.
Acetone and isopropenyl acetate were continuously distilled off until the internal temperature reached 98°C.
A catalyst system as recited in Claim 1 wherein R '' is a isopropenyl radical.
Suitable solvents are benzene, isopropenyl acetate, chloroform, THF ( Tetrahydrofuran ), DMF, pyridine etc.
Is selected from the group of - H, methyl, isopropenyl and isopropyl ;.
A compound as described in paragraph ( 83 ) wherein Y is isopropenyl.
Most preferably, R ¹ is an isopropenyl group.
A C ₂ ₋ ₆ alkenyl group is preferably propenyl or isopropenyl.
In one embodiment of " alkenyl ", vinyl, allyl, propenyl, isopropenyl and butenyl are exemplified.
