| Description |
1 online resource |
| Series |
Advances in Heterocyclic Chemistry ; volume 137
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| Note |
Print version record. |
| Contents |
3.1.2.3. Gold-catalyzed cyclization of propargyl-benzotriazoles -- 3.2. Reactivity of monobenzo-fused 1,3a,6a-triazapentalenes -- 3.2.1. Cycloaddition reactions -- 3.2.2. Ring-opening reactions -- 3.2.3. Oxidative ring-opening reactions -- 4. Dibenzo-fused 1,3a,6a-triazapentalenes -- 4.1. Synthesis of dibenzo-fused 1,3a,6a-triazapentalenes -- 4.2. Reactivity of dibenzo-fused 1,3a,6a-triazapentalenes -- 4.2.1. Electrophilic substitutions -- 4.2.2. Cycloaddition reactions -- 5. Heteroaryl-fused 1,3a,6a-triazapentalenes -- 5.1. Synthesis of heteroaryl-fused 1,3a,6a-triazapentalenes -- 5.1.1. Nitrene-mediated cyclizations -- 5.1.2. Oxidative intramolecular N-N bond formation -- 5.2. Reactivity of heteroaryl-fused 1,3a,6a-triazapentalenes -- 5.2.1. Oxidative ring-opening reactions -- 5.2.2. Cycloaddition reactions -- 5.2.3. Suzuki reactions -- 5.3. Applications of heteroaryl-fused 1,3a,6a-triazapentalenes -- 6. Miscellaneous products having nonconjugated 1,3a,6a-triazapentalene structures -- 7. Conclusions -- References -- Chapter Three: Type A mesoionic compounds (1980-2020) -- 1. Introduction -- 2. Type A and type B mesoionic heterocycles -- 3. The relationship of mesoionic heterocycles to other heterocyclic mesomeric betaines (HMBs) -- 3.1. Structural properties common to all HMBs -- 3.2. The different types of heterocyclic mesomeric betaine (HMB) -- 4. Type A mesoionic systems-An overview -- 4.1. Known mesoionic systems of type A -- 4.2. Structural aspects of type A mesoionic rings -- 4.3. The aromaticity of type A mesoionic rings -- 4.4. General modes of reaction of type A mesoionic rings -- 4.4.1. 1,3-Dipolar cycloadditions -- 4.4.2. N-Heterocyclic carbene formation -- 4.4.2.1. Equilibration with NHC tautomers -- 4.4.2.2. Formation of anionic NHCs -- 4.4.3. Valence tautomerism -- 4.4.4. Rearrangements. |
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5. The chemistry of type A mesoionic compounds -- 5.1. Dioxoles -- 5.1.1. 1,3-Dioxol-4-ones (1,3-dioxolium-4-olates) (64) -- 5.2. Oxazoles -- 5.2.1. 1,3-Oxazol-4-ones (1,3-oxazolium-4-olates) (75) -- 5.2.1.1. Preparation -- 5.2.1.2. Cycloadditions -- 5.2.1.2.1. Alkene [2+3]-cycloadditions -- 5.2.1.2.2. Alkyne [2+3]-cycloadditions -- 5.2.1.2.3. Aldehyde [2+3]-cycloadditions -- 5.2.1.2.4. Imine [2+3]-cycloadditions -- 5.2.1.2.5. [4+3]-Cycloadditions -- 5.2.1.3. Reaction with nucleophiles -- 5.2.2. 1,3-Oxazol-4-imines (1,3-oxazolium-4-aminides) (97) -- 5.2.3. 1,3-Oxazol-4-thiones (1,3-oxazolium-4-thiolates) (98) -- 5.2.4. 1,3-Oxazol-5-ones (1,3-oxazolium-5-olates) (100) -- 5.2.4.1. Preparation -- 5.2.4.2. Cycloadditions -- 5.2.4.2.1. Alkene [2+3]-cycloadditions -- 5.2.4.2.2. Alkyne [2+3]-cycloadditions -- 5.2.4.2.3. Imine [2+3]-cycloadditions -- 5.2.4.2.4. Diazene [2+3]-cycloadditions -- 5.2.4.2.5. Other cycloadditions -- 5.2.4.2.6. Reaction with nucleophiles -- 5.2.5. 1,3-Oxazol-5-imines (1,3-oxazolium-5-aminides) (141) -- 5.3. Oxathioles -- 5.3.1. 1,3-Oxathiol-4-ones (1,3-oxathiolium-4-olates) (148) -- 5.3.2. 1,3-Oxathiol-4-thiones (1,3-oxathiolium-4-thiolates) (156) -- 5.3.3. 1,3-Oxathiol-5-ones (1,3-oxathiolium-5-olates) (159) -- 5.4. Diazoles -- 5.4.1. 1,3-Diazol-4-ones (1,3-diazolium-4-olates) (164) -- 5.4.1.1. Preparation -- 5.4.1.2. Cycloadditions -- 5.4.1.2.1. [2+3]-cycloadditions -- 5.4.1.2.2. Other cycloadditions -- 5.4.1.3. Carbene formation -- 5.4.1.4. Computational studies -- 5.4.2. 1,3-Diazol-4-imines (1,3-diazolium-4-aminides) (183) -- 5.4.3. 1,3-Diazol-4-thiones (1,3-diazolium-4-thiolates) (188) -- 5.4.4. 1,3-Diazol-4-enes (1,3-diazolium-4-methylides) (191) -- 5.4.5. 1,3-Diazol-4-selones (1,3-diazolium-4-selenides) (198) -- 5.4.6. 1,3-Diazol-4-phosphimines (1,3-diazolium-4-phosphamidates) (200) -- 5.5. Thiazoles. |
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5.5.1. 1,3-Thiazol-4-ones (1,3-thiazolium-4-olates) (201) -- 5.5.1.1. Preparation -- 5.5.1.2. Cycloadditions -- 5.5.1.2.1. Alkene [2+3]-cycloadditions -- 5.5.1.2.2. Alkyne [2+3]-cycloadditions -- 5.5.1.2.3. Aldehyde [2+3]-cycloadditions -- 5.5.1.2.4. Diazene [2+3]-cycloadditions -- 5.5.1.2.5. Other cycloadditions -- 5.5.1.3. Tautomerism -- 5.5.1.4. Photochemistry -- 5.5.2. 1,3-Thiazol-4-imines (1,3-thiazolium-4-aminides) (230) -- 5.5.3. 1,3-Thiazol-4-thiones (1,3-thiazolium-4-thiolates) (234) -- 5.5.4. 1,3-Thiazol-5-ones (1,3-thiazolium-5-olates) (246) -- 5.5.5. 1,3-Thiazol-5-imines (1,3-thiazolium-5-aminides) (248) -- 5.5.6. 1,3-Thiazol-5-thiones (1,3-thiazolium-5-thiolates) (251) -- 5.5.7. 1,3-Thiazol-5-enes (1,3-thiazolium-5-methylides) (254) -- 5.6. Selenazoles -- 5.6.1. 1,3-Selenazol-4-ones (1,3-selenazolium-4-olates) (257) -- 5.7. Dithioles -- 5.7.1. 1,3-Dithiol-4-ones (1,3-dithiolium-4-olates) (261) -- 5.7.2. 1,3-Dithiol-4-imines (1,3-dithiolium-4-aminides) (266) -- 5.7.3. 1,3-Dithiol-4-thiones (1,3-dithiolium-4-thiolates) (268) -- 5.7.4. 1,3-Dithiol-4-enes (1,3-dithiolium-4-methylides) (274) -- 5.8. Oxadiazoles -- 5.8.1. 1,3,4-Oxadiazol-2-ones (1,3,4-oxadiazolium-2-olates) (276) -- 5.8.2. 1,3,4-Oxadiazol-2-imines (1,3,4-oxadiazolium-2-aminides) (281) -- 5.8.3. 1,3,4-Oxadiazol-2-thiones (1,3,4-oxadiazolium-2-thiolates) (288) -- 5.8.4. 1,3,4-Oxadiazol-2-enes (1,3,4-oxadiazolium-2-methylides) (290) -- 5.8.5. 1,2,3-Oxadiazol-5-ones (1,2,3-oxadiazolium-5-olates) (291) -- 5.8.6. 1,2,3-Oxadiazol-5-ones (1,2,3-oxadiazolium-5-olates) (292) -- 5.8.7. 1,2,3-Oxadiazol-5-thiones (1,2,3-oxadiazolium-5-thiolates) (294) -- 5.8.8. 1,2,3-Oxadiazol-5-enes (1,2,3-oxadiazolium-5-methylides) (295) -- 5.9. Oxathiazoles -- 5.9.1. 1,3,2-Oxathiazol-5-ones (1,3,2-oxathiazolium-5-olates) (296) -- 5.10. Triazoles. |
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5.10.1. 1,2,3-Triazol-4-ones (1,2,3-triazolium-4-olates) (309) -- 5.10.2. 1,2,3-Triazol-4-imines (1,2,3-triazolium-4-aminides) (320) -- 5.10.3. 1,2,3-Triazol-4-thiones (1,2,3-triazolium-4-thiolates) (325) -- 5.10.4. 1,2,3-Triazol-4-enes (1,2,3-triazolium-4-methylides) (328) -- 5.10.5. 1,2,3-Triazol-4-selones (1,2,3-triazolium-4-selenolates) (330) -- 5.10.6. 1,2,4-Triazol-3-ones (1,2,4-triazolium-3-olates) (332) -- 5.10.7. 1,2,4-Triazol-3-imines (1,2,4-triazolium-3-aminides) (340) -- 5.10.7.1. Preparation -- 5.10.7.2. Reactions of nitron and related species -- 5.10.7.3. Applications -- 5.10.8. 1,2,4-Triazol-3-thiones (1,2,4-triazolium-3-thiolates) (353) -- 5.10.9. 1,2,4-Triazol-3-enes (1,2,4-triazolium-3-methylides) (359) -- 5.10.10. 1,2,4-Triazol-3-selones (1,2,4-triazolium-3-selenolates) (360) -- 5.11. Thiadiazoles -- 5.11.1. 1,2,3-Thiadiazol-4-ones (1,2,3-thiadiazolium-4-olates) (361) -- 5.11.2. 1,2,3-Thiadiazol-4-imines (1,2,3-thiadiazolium-4-aminides) (363) -- 5.11.3. 1,2,3-Thiadiazol-4-thiones (1,2,3-thiadiazolium-4-thiolates) (364) -- 5.11.4. 1,2,3-Thiadiazol-5-ones (1,2,3-thiadiazolium-5-olates) (365) -- 5.11.5. 1,2,3-Thiadiazol-5-imines (1,2,3-thiadiazolium-5-aminides) (366) -- 5.11.6. 1,2,3-Thiadiazol-5-thiones (1,2,3-thiadiazolium-5-thiolates) (367) -- 5.11.7. 1,2,3-Thiadiazol-5-enes (1,2,3-thiadiazolium-5-methylides) (368) -- 5.11.8. 1,2,4-Thiadiazol-3-ones (1,2,3-thiadiazolium-3-olates) (369) -- 5.11.9. 1,2,4-Thiadiazol-3-imines (1,2,3-thiadiazolium-3-aminides) (370) -- 5.11.10. 1,3,4-Thiadiazol-2-ones (1,3,4-thiadiazolium-2-olates) (371) -- 5.11.11. 1,3,4-Thiadiazol-2-imines (1,3,4-thiadiazolium-2-aminides) (372) -- 5.11.12. 1,3,4-Thiadiazol-2-thiones (1,3,4-thiadiazolium-2-thiolates) (378) -- 5.11.13. 1,3,4-Thiadiazol-5-enes (1,3,4-thiadiazolium-5-methylides (385) -- 5.12. Dithiazoles. |
| Subject |
Betaine.
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Heterocyclic chemistry.
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Heterocyclic compounds.
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Betaine |
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Heterocyclic Compounds |
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Bétaïne.
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Chimie des composés hétérocycliques.
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Composés hétérocycliques.
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Betaine
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Heterocyclic chemistry
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Heterocyclic compounds
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| Added Author |
Ramsden, Christopher A.
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| Other Form: |
Original 032398861X 9780323988612 (OCoLC)1283821677 |
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Print version: Heterocyclic mesomeric betaines and mesoionic compounds 032398861X (OCoLC)1284288644 |
| ISBN |
9780323988629 (electronic bk.) |
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0323988628 (electronic bk.) |
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9780323988612 |
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032398861X |
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