- Functional norbornanyl ester derivatives, polymers and process for preparing same
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This invention relates to the new functional norbornanyl ester derivative and/or polymer compositions which are easily obtainable by reacting the Diels-Alder adduct of appropriate dienes and dienophiles with carboxylic acids. In particular, this invention relates to a new process for making cyclic chemical raw materials suitable for production coating, ink, adhesive, plasticizer, thermoplastic or thermosetting plastic and functional polymers.
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Paragraph 0228
(2013/12/04)
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- A direct route to angularly substituted hydrindanes. Formal synthesis of bakkenolide-A and synthesis of an advanced intermediate to umbellactal
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A direct route for the synthesis of highly functionalized angularly substituted hydrindanes has been developed. The key step involves RO-RCM of an appropriately functionalized norbornene derivative. The hydrindane derivative obtained in this way has been
- Maity, Soumitra,Ghosh, Subrata
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scheme or table
p. 9202 - 9210
(2010/01/16)
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- Cyclopentanedi- and tricarboxylic acids as squalene synthase inhibitors: Syntheses and evaluation
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Based on earlier lead squalene synthase inhibitor A-87049 (3) and zaragozic acids, a series of cyclopentanedi- and tricarboxylic acids were synthesized and evaluated against the enzyme. Some exhibited good potency and SAR revealed the importance of conformation and substitution pattern of these synthetic inhibitors.
- Shen, Wang,Garvey, David S.,Cohen, Jerry,Stein, Herman,Rosenberg, Saul H.
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p. 891 - 896
(2007/10/03)
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- Strategic use of retro Diels-Alder reaction in the construction of β-carboxy-α-methylene-γ-lactones. Total synthesis of methylenolactocin and protolichesterinic acid
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A facile route for the construction of β-carboxy-α-methylene-γ-lactone unit is described using retro Diels-Alder reaction as the key step. Using this protocol, total synthesis of (±)-methylenolactocin and (±)-protolichesterinic acid has been achieved.
- Ghatak, Anjan,Sarkar, Subrata,Ghosh, Subrata
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p. 17335 - 17342
(2007/10/03)
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- Heterocyclic spiro compounds
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Compounds of the class of spiro[norbornane-2,3'-piperidines], spiro[bicyclo[2.2.2]octane-2,3'-piperidines], and corresponding spiro-pyrrolidine derivatives which are unsubstituted at the ring nitrogen atom or substituted by neutral or basic radicals, and
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