Tabla de Contenidos: “…7.13.2 Wittig Rearrangement -- 7.13.3 Favorskii Rearrangement -- 7.14 Summary -- Problems -- Objective Type Questions -- Chapter 8: Aromatic Substitution -- 8.1 Introduction -- 8.2 Electrophilic Aromatic Substitution (SEAr) -- 8.2.1 Nitration of Benzene -- 8.2.2 Halogenation of Benzene -- 8.2.3 Friedel-Crafts Alkylation -- 8.2.4 Friedel-Crafts Acylation -- 8.2.5 Sulphonation of Benzene -- 8.2.6 Protonation -- 8.3 Reactivity and Orientation in Electrophilic Aromatic Substitution -- 8.4 Groups Donating Electrons by Mesomeric Effect -- 8.5 Groups Withdrawing Electrons by Mesomeric Effect -- 8.6 Groups Withdrawing Electrons by Inductive Effect -- 8.7 Groups Donating Electrons by Inductive Effect -- 8.8 Ortho/Para Ratios -- 8.9 Effects of Multiple Substitution -- 8.10 Hammett Equation -- 8 .11 Nucleophilic Aromatic Substitution -- 8.11.1 By Addition -Elimination Mechanism (SNAr) -- 8.11.2 By Elimination-Addition Mechanism -- 8.12 IPSO Substitution -- 8.13 Summary -- Problems -- Objective Type Questions -- Chapter 9: Stereochemistry -- 9.1 Introduction -- 9.2 Simple Molecules: Hybridization, Conformation and Configuration -- 9.2.1 Hybridization: Methane -- 9.2.2 Hybridization: Ethene and Alkenes -- 9.2.3 Hybridization: Ethyne -- 9.2.4 Bonding and Anti-bonding Orbitals -- 9.2.5 Conformation: Ethane -- 9.2.6 Conformation of propane and n-butane -- 9.2.7 Cydohexane: Chair Conformation -- 9.2.8 Cyclohexane: Boat Conformation -- 9.2.9 inversion of Cyclohexane -- 9.2.10 Monosubstituted Cyclohexanes -- 9.2.11 Disubstituted Cydohexanes -- 9.3 Chiral Molecules -- 9.3.1 Chirality, Enantiomers and Optical Activity -- 9.3.2 How to Specify a Configuration -- 9.3.3 cahn-lngold-Prelog R/S Conventions -- 9.3.4 Enantiomers and Diastereoisomers -- 9.3.5 Racemization -- 9.3.6 Meso Configuration -- 9.3.7 Erythro/Threo and Syn/Anti Configurations -- 9.4 Homochiral Molecules…”

“…We are thankful for having an energetic and resourceful local arrangement committee with Michael Cole as the Treasurer, Fernando Diaz as the Sponsorship Chair, Kaitlin Costello as the Local Organizing Chair, and Sunyoung Kim and Matt Mitsui as the Student Volunteers Chairs. …”

“…The Blue Sky Ideas track was chaired by Alessandro Ricci and Juan Antonio Rodriguez. …”

“…Coutinho (Poster/Demo Chair), Mirela Notare (Workshop Chair), Ahmed Mostefaoui (Tutorials Chair), Moayad Aloqaily and Mirela Notare (Publicity Co- Chairs), and Noura Aljeri (Web Chair). …”

“…We asked even more of our conference co-chairs Mark Sherriff and Larry Merkle and program co-chairs Pamela Cutter, Alvaro Monge, and Judy Sheard than we ever have in the past. …”

“…We also thank the CODASPY publicity chairs, workshop chair and general chair, as well as the ACM Special Interest Group on Security, Audit and Control (SIGSAC), for supporting IWSPA '21. …”

“…Despite the challenges, the General Chairs, Program Chairs and other organizing members worked diligently to carefully prepare an outstanding program for everyone. …”

“…These chairs recruited 138 Associate Chairs, who recruited 1818 reviewers. …”

“…Ten oral sessions on "Feature Extraction and Face Recognition", "Target Detection", "Intelligent Signal Analysis and Processing", "Target Tracking", "Pattern Recognition", "Computer Science and Information Technology", "Digital Image Analysis and Methods", "Cloud Computing and High-Performance Computing", "Image Processing Technology and Application", "Software and Information Engineering" were successfully held under the joint efforts of session chairs and all presenters. We would like to take this opportunity to thank the session chairs and all presenters for their participation in this conference…”

“…Jointly with the program chairs, the special track chairs were responsible for appointing the Senior Program Committee (SPC) members, who in turn helped identify the strong and diverse Program Committee (PC) members for their tracks. …”

“…Two poster sessions on "Computer Vision and Image Processing Technology", "Modern Information Theory and Applied Technology", and ten oral sessions on "Machine Learning and Intelligent Computing", "Next-generation Neural Network and Applications", "Data Analysis and Processing", "Big Data Science and Information Intelligence", "Target Detection", "Image Transformation and Calculation", "Intelligent Identification and Control Technology", "Medical Image Analysis and Processing", "Computer Network and Information Communication System" and "Computer and Information Science" were successfully held under the joint efforts of session chairs and all presenters. We would like to take this opportunity to thank the session chairs and all presenters for their participation in this conference…”

“…Thanks also to Jay F Lofstead II for leading the effort as Poster Chair and the mentoring session as part of the Ph.D. …”

“…Lors de sa création en 1626, le Jardin royal des plantes médicinales possède trois chaires : celles de Démonstrateur de plantes, de Pharmacie, et des Opérations pharmaceutiques. …”

“…We thank the organizers of all the technical events, including research PC vice-chairs Xin Luna Dong and Mohamed Mokbel, industrial PC chairs Samuel Madden and Neoklis Polyzotis, demonstration chairs Georgia Koutrika and Feifei Li, tutorial chairs Ihab Ilyas and Stratis Viglas, workshop chairs Ihab Ilyas and Benny Kimelfeld, Student Research Competition chairs Alvin Cheung and Jana Giceva, and New Research Symposium chairs Katja Hose and Eugene Wu. …”