Structure of Organic Molecules

Description: Lecture, three hours; discussion, one hour. Enforced requisite: course 14B with grade of C- or better. Not open to students with credit for course 30A. Continuing studies in structure of organic molecules, with emphasis on biological applications. Resonance, stereochemistry, conjugation, and aromaticity; spectroscopy (NMR, IR, and mass spectrometry); introduction to effects of structure on physical and chemical properties; survey of biomolecular structure. P/NP or letter grading.

Units: 4.0
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Overall Rating 3.8
Easiness 3.2/ 5
Clarity 3.3/ 5
Workload 3.4/ 5
Helpfulness 3.7/ 5
Most Helpful Review
Spring 2020 - First and foremost Prof. Castillo from winter quarter to spring quarter 2020 has pulled a massive 360. Take the old reviews with a grain salt, but some things still remain. Also 85-92.9 is A- and 93 up is A. She became hella lenient ngl. Lectures can be ass but go to Office Hours she's more responsive. In summary, she has shit communication and attitude problems, but hella rarely. Anyone can get tired and some of us were hella pushy for extra credit etc. She's a really smart woman tbh and in OH she knows her shit. I repeat ditch lectures and go to OH. Lectures get recorded anyways and use the powerpoint. To begin with this class as a general consensus is not as hard as Chem 14A and 14B especially if you had daddy lavelle. The concepts till about week 8 are fairly easy in this class and even the last two weeks aren't bad. The thing is this class isn't exactly organic chemistry. We do not cover reactions like SN2 and SN1 reactions. We cover concepts such as conjugation and aromaticity and etc. These are fairly easy. They don't involve calculations and hard stuff. You can even cram them tbh I did and got a 89 percent on the midterm and ended up with an A in the class. The quarter being online did make lecture kinda ass, but her powerpoint were pretty good. Also, use Chad's organic chem videos. Stereochemistry its the only bitch in this course tbh. The quizzes are 10 pts each and you get about 4 questions on each worth 2.5 its each adding up to 10. Lowest quiz is dropped. On top of that Prof. Castillo gave like 2 points of extra credit straight up in the quiz category. The midterm was also straight up similar to lecture problems and we got 1 pt of extra credit on it. Now the tea. The reason everyone basically called her a first class bitch is because the TA's and the professors had a MEGA-MEGA screwup on the grading of the midterm. They used a wrong answer key and basically our first scores were hella shit. There were 400 regrade requests and the professor got quite annoyed lmao and passive aggressive. Sometimes her attitude can be wonky, but for the most part she's a G. Finally, Dr. Castillo does not trick you at all on exams. I didn't find any trick questions on neither the midterm or quizzes. She also gives you past exam questions which are hella similar. I'm sure half this class has a solid A rn. Grade Break Down: ---30% quizzes - 5 quizzes lowest one dropped ---20% midterm ---20% discussion/hw --- everyone gets full credit on this basically free 20% ---30% final -- shit got cancelled for us but knowing her it would have been simple Final thoughts are that while Prof. Castillo has shit communication bc she never replies to emails, she is a decent lecturer. You may not learn the best from her but her assessments are frankly a joke compared to lavelle. Also, people are ungrateful cunts which led her to get annoyed. None of you would talk to lavelle the way some people did to her. She already lowered the bar for an A- to an 85 and gave hella extra credit. Take 14C with Castillo.
Overall Rating N/A
Easiness N/A/ 5
Clarity N/A/ 5
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Overall Rating 3.1
Easiness 3.0/ 5
Clarity 2.3/ 5
Workload 3.6/ 5
Helpfulness 2.7/ 5
Most Helpful Review
Fall 2021 - Lannan was a new teacher this quarter, so there is room for improvement. However, he wasn’t that great of a lecturer since he was just reusing Pham’s (the original teacher) slides. Quite frequently the slides would confuse him, and he would just stop and stare at them for a few minutes while the students just sat there. Explanation-wise, he also wasn’t that great—mostly given how disorganized he was when talking. He would also introduce ideas for projects and such but keep scrapping them as things turned up (likely more of an issue given he was a very new teacher). His exams were fair, but he was very unforgiving on them. As a test taker, I tend to make quite a few minor mistakes that I usually only get marked a few points off for. Lannan would mark you down almost all the points on the problem, which is what brought down everyone’s test grades (from what I understand talking to other students--the test averages were typically in the low 70s). The time crunch on the midterms was also a factor in that. The tests were also the majority of your grade. Furthermore, our original extra credit was through Mentimeter and discussion attendance. However, he realized he couldn't track students through Mentimeter and exchanged the participation-based extra credit with a very intensive group video project. These two extra credits (Mentimeter vs. group video) were not equivalent, and the amount of effort was not work it for the percent boost it gave. Even despite that, he graded these group projects very harshly (where Mentimeter was going to be for participation)--my group spent a long time on ours just to get an A-. He was very nice, passionate about the subject, and tried to be accommodating to students, but I just don’t really recommend him. TL;DR: new teacher + bad lecturer + manageable tests, but harshly graded (There are more reviews for this class on his PEERS entry since 14C was just added to his profile)
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