oxazoles in a sentence

1. Balaban also developed new synthesis of oxazoles by azlactones, followed by dehidratation.
2. The presence of oxazoles or thiazoles often indicates that the compound was synthesized in this fashion.
3. Thiazoles are characterized by larger pi-electron delocalization than the corresponding oxazoles and have therefore greater aromaticity.
4. It is used in the Van Leusen reaction which is used to convert aldehydes to nitriles or in the preparation of oxazoles and imidazoles.
5. A popular extension of the Robinson-Gabriel cyclodehydration has been reported by Wipf " et al . " to allow the synthesis of substituated oxazoles from readily available amino acid derivatives.
6. It's difficult to find oxazoles in a sentence.
7. Substituted oxazolines and thiazolines can be oxidized to the corresponding oxazoles and thiazoles in a modified Kharash-Sosnovsky oxidation with " tert "-butylperoxy-benzoate and a mixture of Cu ( I ) and Cu ( II ) salts in suitable yields.
8. Interestingly, the precursor peptide of the cyanobactin family is traditionally designated the " E " gene, whereas precursor peptides are designated gene " A " in most RiPP gene clusters . " A " is a serine protease involved in cleavage of the leader peptide and subsequent macrocyclization of the peptide natural product, in combination with an additional serine protease homologue, the encoded by gene " G . " Members of the cyanobactin family may bear thiazolines / oxazolines, thiazoles / oxazoles, and methylations depending on additional modification enzymes.